From: Robin Gong yibin.gong@nxp.com
[ Upstream commit f0c07993af0acf5545d5c1445798846565f4f147 ]
For fix below warning reported by static code analysis tool like Coverity from Synopsys:
Signed-off-by: Robin Gong yibin.gong@nxp.com Addresses-Coverity-ID: 12285639 ("Unchecked return value") Link: https://lore.kernel.org/r/1619427549-20498-1-git-send-email-yibin.gong@nxp.c... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/fsl-qdma.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c index 95cc0256b387..f5a1ae164193 100644 --- a/drivers/dma/fsl-qdma.c +++ b/drivers/dma/fsl-qdma.c @@ -1184,7 +1184,11 @@ static int fsl_qdma_probe(struct platform_device *pdev) fsl_qdma->dma_dev.device_synchronize = fsl_qdma_synchronize; fsl_qdma->dma_dev.device_terminate_all = fsl_qdma_terminate_all;
- dma_set_mask(&pdev->dev, DMA_BIT_MASK(40)); + ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40)); + if (ret) { + dev_err(&pdev->dev, "dma_set_mask failure.\n"); + return ret; + }
platform_set_drvdata(pdev, fsl_qdma);
From: Frederic Weisbecker frederic@kernel.org
[ Upstream commit b5befe842e6612cf894cf4a199924ee872d8b7d8 ]
An srcu_struct structure that is initialized before rcu_init_geometry() will have its srcu_node hierarchy based on CONFIG_NR_CPUS. Once rcu_init_geometry() is called, this hierarchy is compressed as needed for the actual maximum number of CPUs for this system.
Later on, that srcu_struct structure is confused, sometimes referring to its initial CONFIG_NR_CPUS-based hierarchy, and sometimes instead to the new num_possible_cpus() hierarchy. For example, each of its ->mynode fields continues to reference the original leaf rcu_node structures, some of which might no longer exist. On the other hand, srcu_for_each_node_breadth_first() traverses to the new node hierarchy.
There are at least two bad possible outcomes to this:
1) a) A callback enqueued early on an srcu_data structure (call it *sdp) is recorded pending on sdp->mynode->srcu_data_have_cbs in srcu_funnel_gp_start() with sdp->mynode pointing to a deep leaf (say 3 levels).
b) The grace period ends after rcu_init_geometry() shrinks the nodes level to a single one. srcu_gp_end() walks through the new srcu_node hierarchy without ever reaching the old leaves so the callback is never executed.
This is easily reproduced on an 8 CPUs machine with CONFIG_NR_CPUS >= 32 and "rcupdate.rcu_self_test=1". The srcu_barrier() after early tests verification never completes and the boot hangs:
[ 5413.141029] INFO: task swapper/0:1 blocked for more than 4915 seconds. [ 5413.147564] Not tainted 5.12.0-rc4+ #28 [ 5413.151927] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5413.159753] task:swapper/0 state:D stack: 0 pid: 1 ppid: 0 flags:0x00004000 [ 5413.168099] Call Trace: [ 5413.170555] __schedule+0x36c/0x930 [ 5413.174057] ? wait_for_completion+0x88/0x110 [ 5413.178423] schedule+0x46/0xf0 [ 5413.181575] schedule_timeout+0x284/0x380 [ 5413.185591] ? wait_for_completion+0x88/0x110 [ 5413.189957] ? mark_held_locks+0x61/0x80 [ 5413.193882] ? mark_held_locks+0x61/0x80 [ 5413.197809] ? _raw_spin_unlock_irq+0x24/0x50 [ 5413.202173] ? wait_for_completion+0x88/0x110 [ 5413.206535] wait_for_completion+0xb4/0x110 [ 5413.210724] ? srcu_torture_stats_print+0x110/0x110 [ 5413.215610] srcu_barrier+0x187/0x200 [ 5413.219277] ? rcu_tasks_verify_self_tests+0x50/0x50 [ 5413.224244] ? rdinit_setup+0x2b/0x2b [ 5413.227907] rcu_verify_early_boot_tests+0x2d/0x40 [ 5413.232700] do_one_initcall+0x63/0x310 [ 5413.236541] ? rdinit_setup+0x2b/0x2b [ 5413.240207] ? rcu_read_lock_sched_held+0x52/0x80 [ 5413.244912] kernel_init_freeable+0x253/0x28f [ 5413.249273] ? rest_init+0x250/0x250 [ 5413.252846] kernel_init+0xa/0x110 [ 5413.256257] ret_from_fork+0x22/0x30
2) An srcu_struct structure that is initialized before rcu_init_geometry() and used afterward will always have stale rdp->mynode references, resulting in callbacks to be missed in srcu_gp_end(), just like in the previous scenario.
This commit therefore causes init_srcu_struct_nodes to initialize the geometry, if needed. This ensures that the srcu_node hierarchy is properly built and distributed from the get-go.
Suggested-by: Paul E. McKenney paulmck@kernel.org Signed-off-by: Frederic Weisbecker frederic@kernel.org Cc: Boqun Feng boqun.feng@gmail.com Cc: Lai Jiangshan jiangshanlai@gmail.com Cc: Neeraj Upadhyay neeraju@codeaurora.org Cc: Josh Triplett josh@joshtriplett.org Cc: Joel Fernandes joel@joelfernandes.org Cc: Uladzislau Rezki urezki@gmail.com Signed-off-by: Paul E. McKenney paulmck@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- kernel/rcu/rcu.h | 2 ++ kernel/rcu/srcutree.c | 3 +++ kernel/rcu/tree.c | 16 +++++++++++++++- 3 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index 8fd4f82c9b3d..7fd1c18b7cf1 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -316,6 +316,8 @@ static inline void rcu_init_levelspread(int *levelspread, const int *levelcnt) } }
+extern void rcu_init_geometry(void); + /* Returns a pointer to the first leaf rcu_node structure. */ #define rcu_first_leaf_node() (rcu_state.level[rcu_num_lvls - 1])
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index 21acdff3bd27..21115ffb6c44 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -90,6 +90,9 @@ static void init_srcu_struct_nodes(struct srcu_struct *ssp, bool is_static) struct srcu_node *snp; struct srcu_node *snp_first;
+ /* Initialize geometry if it has not already been initialized. */ + rcu_init_geometry(); + /* Work out the overall tree geometry. */ ssp->level[0] = &ssp->node[0]; for (i = 1; i < rcu_num_lvls; i++) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 4dfa9dd47223..f90f2c4b2608 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3425,11 +3425,25 @@ static void __init rcu_init_one(void) * replace the definitions in tree.h because those are needed to size * the ->node array in the rcu_state structure. */ -static void __init rcu_init_geometry(void) +void rcu_init_geometry(void) { ulong d; int i; + static unsigned long old_nr_cpu_ids; int rcu_capacity[RCU_NUM_LVLS]; + static bool initialized; + + if (initialized) { + /* + * Warn if setup_nr_cpu_ids() had not yet been invoked, + * unless nr_cpus_ids == NR_CPUS, in which case who cares? + */ + WARN_ON_ONCE(old_nr_cpu_ids != nr_cpu_ids); + return; + } + + old_nr_cpu_ids = nr_cpu_ids; + initialized = true;
/* * Initialize any unspecified boot parameters.
From: Sherry Sun sherry.sun@nxp.com
[ Upstream commit fcb10ee27fb91b25b68d7745db9817ecea9f1038 ]
We should be very careful about the register values that will be used for division or modulo operations, althrough the possibility that the UARTBAUD register value is zero is very low, but we had better to deal with the "bad data" of hardware in advance to avoid division or modulo by zero leading to undefined kernel behavior.
Signed-off-by: Sherry Sun sherry.sun@nxp.com Link: https://lore.kernel.org/r/20210427021226.27468-1-sherry.sun@nxp.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/fsl_lpuart.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 6ad985e8dc65..b053345dfd1a 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -2253,6 +2253,9 @@ lpuart32_console_get_options(struct lpuart_port *sport, int *baud,
bd = lpuart32_read(&sport->port, UARTBAUD); bd &= UARTBAUD_SBR_MASK; + if (!bd) + return; + sbr = bd; uartclk = lpuart_get_baud_clk_rate(sport); /*
From: Jim Quinlan jim2101024@gmail.com
[ Upstream commit f5b08386dee439c7a9e60ce0a4a4a705f3a60dff ]
Our SoC's have always had a NS16650A UART core and older SoC's would have a compatible string of: 'compatible = ""ns16550a"' and use the 8250_of driver. Our newer SoC's have added enhancements to the base core to add support for DMA and accurate high speed baud rates and use this newer 8250_bcm7271 driver. The Device Tree node for our enhanced UARTs has a compatible string of: 'compatible = "brcm,bcm7271-uart", "ns16550a"''. With both drivers running and the link order setup so that the 8250_bcm7217 driver is initialized before the 8250_of driver, we should bind the 8250_bcm7271 driver to the enhanced UART, or for upstream kernels that don't have the 8250_bcm7271 driver, we bind to the 8250_of driver.
The problem is that when both the 8250_of and 8250_bcm7271 drivers were running, occasionally the 8250_of driver would be bound to the enhanced UART instead of the 8250_bcm7271 driver. This was happening because we use SCMI based clocks which come up late in initialization and cause probe DEFER's when the two drivers get their clocks.
Occasionally the SCMI clock would become ready between the 8250_bcm7271 probe and the 8250_of probe and the 8250_of driver would be bound. To fix this we decided to config only our 8250_bcm7271 driver and added "ns16665a0" to the compatible string so the driver would work on our older system.
This commit has of_platform_serial_probe() check specifically for the "brcm,bcm7271-uart" and whether its companion driver is enabled. If it is the case, and the clock provider is not ready, we want to make sure that when the 8250_bcm7271.c driver returns EPROBE_DEFER, we are not getting the UART registered via 8250_of.c.
Reviewed-by: Andy Shevchenko andy.shevchenko@gmail.com Signed-off-by: Jim Quinlan jim2101024@gmail.com Signed-off-by: Al Cooper alcooperx@gmail.com Signed-off-by: Florian Fainelli f.fainelli@gmail.com Link: https://lore.kernel.org/r/20210423183206.3917725-1-f.fainelli@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/8250/8250_of.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 9ba31701a372..fe9cf915fdd4 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -213,6 +213,10 @@ static int of_platform_serial_probe(struct platform_device *ofdev) u32 tx_threshold; int ret;
+ if (IS_ENABLED(CONFIG_SERIAL_8250_BCM7271) && + of_device_is_compatible(ofdev->dev.of_node, "brcm,bcm7271-uart")) + return -ENODEV; + port_type = (unsigned long)of_device_get_match_data(&ofdev->dev); if (port_type == PORT_UNKNOWN) return -EINVAL;
From: Lv Yunlong lyl2019@mail.ustc.edu.cn
[ Upstream commit 7272b591c4cb9327c43443f67b8fbae7657dd9ae ]
In ibmasm_init_one, it calls ibmasm_init_remote_input_dev(). Inside ibmasm_init_remote_input_dev, mouse_dev and keybd_dev are allocated by input_allocate_device(), and assigned to sp->remote.mouse_dev and sp->remote.keybd_dev respectively.
In the err_free_devices error branch of ibmasm_init_one, mouse_dev and keybd_dev are freed by input_free_device(), and return error. Then the execution runs into error_send_message error branch of ibmasm_init_one, where ibmasm_free_remote_input_dev(sp) is called to unregister the freed sp->remote.mouse_dev and sp->remote.keybd_dev.
My patch add a "error_init_remote" label to handle the error of ibmasm_init_remote_input_dev(), to avoid the uaf bugs.
Signed-off-by: Lv Yunlong lyl2019@mail.ustc.edu.cn Link: https://lore.kernel.org/r/20210426170620.10546-1-lyl2019@mail.ustc.edu.cn Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/ibmasm/module.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c index 4edad6c445d3..dc8a06c06c63 100644 --- a/drivers/misc/ibmasm/module.c +++ b/drivers/misc/ibmasm/module.c @@ -111,7 +111,7 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id) result = ibmasm_init_remote_input_dev(sp); if (result) { dev_err(sp->dev, "Failed to initialize remote queue\n"); - goto error_send_message; + goto error_init_remote; }
result = ibmasm_send_driver_vpd(sp); @@ -131,8 +131,9 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id) return 0;
error_send_message: - disable_sp_interrupts(sp->base_address); ibmasm_free_remote_input_dev(sp); +error_init_remote: + disable_sp_interrupts(sp->base_address); free_irq(sp->irq, (void *)sp); error_request_irq: iounmap(sp->base_address);
From: Tong Zhang ztong0001@gmail.com
[ Upstream commit 3ce3e45cc333da707d4d6eb433574b990bcc26f5 ]
There is an issue with the ASPM(optional) capability checking function. A device might be attached to root complex directly, in this case, bus->self(bridge) will be NULL, thus priv->parent_pdev is NULL. Since alcor_pci_init_check_aspm(priv->parent_pdev) checks the PCI link's ASPM capability and populate parent_cap_off, which will be used later by alcor_pci_aspm_ctrl() to dynamically turn on/off device, what we can do here is to avoid checking the capability if we are on the root complex. This will make pdev_cap_off 0 and alcor_pci_aspm_ctrl() will simply return when bring called, effectively disable ASPM for the device.
[ 1.246492] BUG: kernel NULL pointer dereference, address: 00000000000000c0 [ 1.248731] RIP: 0010:pci_read_config_byte+0x5/0x40 [ 1.253998] Call Trace: [ 1.254131] ? alcor_pci_find_cap_offset.isra.0+0x3a/0x100 [alcor_pci] [ 1.254476] alcor_pci_probe+0x169/0x2d5 [alcor_pci]
Co-developed-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Tong Zhang ztong0001@gmail.com Link: https://lore.kernel.org/r/20210513040732.1310159-1-ztong0001@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/cardreader/alcor_pci.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/cardreader/alcor_pci.c b/drivers/misc/cardreader/alcor_pci.c index 259fe1dfec03..afd409a5efae 100644 --- a/drivers/misc/cardreader/alcor_pci.c +++ b/drivers/misc/cardreader/alcor_pci.c @@ -133,7 +133,13 @@ static void alcor_pci_init_check_aspm(struct alcor_pci_priv *priv) u32 val32;
priv->pdev_cap_off = alcor_pci_find_cap_offset(priv, priv->pdev); - priv->parent_cap_off = alcor_pci_find_cap_offset(priv, + /* + * A device might be attached to root complex directly and + * priv->parent_pdev will be NULL. In this case we don't check its + * capability and disable ASPM completely. + */ + if (!priv->parent_pdev) + priv->parent_cap_off = alcor_pci_find_cap_offset(priv, priv->parent_pdev);
if ((priv->pdev_cap_off == 0) || (priv->parent_cap_off == 0)) {
From: Jonathan Cameron Jonathan.Cameron@huawei.com
[ Upstream commit 41120ebbb1eb5e9dec93320e259d5b2c93226073 ]
In both the probe() error path and remove() pm_runtime_put_noidle() is called which will decrement the runtime pm reference count. However, there is no matching function to have raised the reference count. Not this isn't a fix as the runtime pm core will stop the reference count going negative anyway.
An alternative would have been to raise the count in these paths, but it is not clear why that would be necessary.
Whilst we are here replace some boilerplate with pm_runtime_resume_and_get() Found using coccicheck script under review at: https://lore.kernel.org/lkml/20210427141946.2478411-1-Julia.Lawall@inria.fr/
Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Reviewed-by: Rui Miguel Silva rui.silva@linaro.org Reviewed-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org Link: https://lore.kernel.org/r/20210509113354.660190-2-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/gyro/fxas21002c_core.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c index 958cf8b6002c..45e2b5b33072 100644 --- a/drivers/iio/gyro/fxas21002c_core.c +++ b/drivers/iio/gyro/fxas21002c_core.c @@ -300,14 +300,7 @@ static int fxas21002c_write(struct fxas21002c_data *data,
static int fxas21002c_pm_get(struct fxas21002c_data *data) { - struct device *dev = regmap_get_device(data->regmap); - int ret; - - ret = pm_runtime_get_sync(dev); - if (ret < 0) - pm_runtime_put_noidle(dev); - - return ret; + return pm_runtime_resume_and_get(regmap_get_device(data->regmap)); }
static int fxas21002c_pm_put(struct fxas21002c_data *data) @@ -940,7 +933,6 @@ int fxas21002c_core_probe(struct device *dev, struct regmap *regmap, int irq, pm_disable: pm_runtime_disable(dev); pm_runtime_set_suspended(dev); - pm_runtime_put_noidle(dev);
return ret; } @@ -954,7 +946,6 @@ void fxas21002c_core_remove(struct device *dev)
pm_runtime_disable(dev); pm_runtime_set_suspended(dev); - pm_runtime_put_noidle(dev); } EXPORT_SYMBOL_GPL(fxas21002c_core_remove);
From: Jonathan Cameron Jonathan.Cameron@huawei.com
[ Upstream commit 264da512431495e542fcaf56ffe75e7df0e7db74 ]
probe() error paths after runtime pm is enabled, should disable it. remove() should not call pm_runtime_put_noidle() as there is no matching get() to have raised the reference count. This case has no affect a the runtime pm core protects against going negative.
Whilst here use pm_runtime_resume_and_get() to tidy things up a little. coccicheck script didn't get this one due to complex code structure so found by inspection.
Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Cc: Linus Walleij linus.walleij@linaro.org Reviewed-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org Link: https://lore.kernel.org/r/20210509113354.660190-12-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/magnetometer/bmc150_magn.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c index d4de16750b10..4d073be1c1dc 100644 --- a/drivers/iio/magnetometer/bmc150_magn.c +++ b/drivers/iio/magnetometer/bmc150_magn.c @@ -260,7 +260,7 @@ static int bmc150_magn_set_power_state(struct bmc150_magn_data *data, bool on) int ret;
if (on) { - ret = pm_runtime_get_sync(data->dev); + ret = pm_runtime_resume_and_get(data->dev); } else { pm_runtime_mark_last_busy(data->dev); ret = pm_runtime_put_autosuspend(data->dev); @@ -269,9 +269,6 @@ static int bmc150_magn_set_power_state(struct bmc150_magn_data *data, bool on) if (ret < 0) { dev_err(data->dev, "failed to change power state to %d\n", on); - if (on) - pm_runtime_put_noidle(data->dev); - return ret; } #endif @@ -944,12 +941,14 @@ int bmc150_magn_probe(struct device *dev, struct regmap *regmap, ret = iio_device_register(indio_dev); if (ret < 0) { dev_err(dev, "unable to register iio device\n"); - goto err_buffer_cleanup; + goto err_disable_runtime_pm; }
dev_dbg(dev, "Registered device %s\n", name); return 0;
+err_disable_runtime_pm: + pm_runtime_disable(dev); err_buffer_cleanup: iio_triggered_buffer_cleanup(indio_dev); err_free_irq: @@ -973,7 +972,6 @@ int bmc150_magn_remove(struct device *dev)
pm_runtime_disable(dev); pm_runtime_set_suspended(dev); - pm_runtime_put_noidle(dev);
iio_triggered_buffer_cleanup(indio_dev);
From: Takashi Iwai tiwai@suse.de
[ Upstream commit cae0cf651adccee2c3f376e78f30fbd788d0829f ]
Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.
Link: https://lore.kernel.org/r/20210517131545.27252-10-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/usx2y/usb_stream.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c index 091c071b270a..cff684942c4f 100644 --- a/sound/usb/usx2y/usb_stream.c +++ b/sound/usb/usx2y/usb_stream.c @@ -142,8 +142,11 @@ void usb_stream_free(struct usb_stream_kernel *sk) if (!s) return;
- free_pages_exact(sk->write_page, s->write_size); - sk->write_page = NULL; + if (sk->write_page) { + free_pages_exact(sk->write_page, s->write_size); + sk->write_page = NULL; + } + free_pages_exact(s, s->read_size); sk->s = NULL; }
From: Takashi Sakamoto o-takashi@sakamocchi.jp
[ Upstream commit 5d6fb80a142b5994355ce675c517baba6089d199 ]
This reverts commit 0edabdfe89581669609eaac5f6a8d0ae6fe95e7f.
I've explained that optional FireWire card for d.2 is also built-in to d.2 Pro, however it's wrong. The optional card uses DM1000 ASIC and has 'Mackie DJ Mixer' in its model name of configuration ROM. On the other hand, built-in FireWire card for d.2 Pro and d.4 Pro uses OXFW971 ASIC and has 'd.Pro' in its model name according to manuals and user experiences. The former card is not the card for d.2 Pro. They are similar in appearance but different internally.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp Link: https://lore.kernel.org/r/20210518084557.102681-2-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/firewire/Kconfig | 4 ++-- sound/firewire/bebob/bebob.c | 2 +- sound/firewire/oxfw/oxfw.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig index e6b4ca469b2a..c16d2dd9a66f 100644 --- a/sound/firewire/Kconfig +++ b/sound/firewire/Kconfig @@ -38,7 +38,7 @@ config SND_OXFW * Mackie(Loud) Onyx 1640i (former model) * Mackie(Loud) Onyx Satellite * Mackie(Loud) Tapco Link.Firewire - * Mackie(Loud) d.4 pro + * Mackie(Loud) d.2 pro/d.4 pro (built-in FireWire card with OXFW971 ASIC) * Mackie(Loud) U.420/U.420d * TASCAM FireOne * Stanton Controllers & Systems 1 Deck/Mixer @@ -84,7 +84,7 @@ config SND_BEBOB * PreSonus FIREBOX/FIREPOD/FP10/Inspire1394 * BridgeCo RDAudio1/Audio5 * Mackie Onyx 1220/1620/1640 (FireWire I/O Card) - * Mackie d.2 (FireWire Option) and d.2 Pro + * Mackie d.2 (optional FireWire card with DM1000 ASIC) * Stanton FinalScratch 2 (ScratchAmp) * Tascam IF-FW/DM * Behringer XENIX UFX 1204/1604 diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c index 441c58283b47..eeb0e4b2f77a 100644 --- a/sound/firewire/bebob/bebob.c +++ b/sound/firewire/bebob/bebob.c @@ -387,7 +387,7 @@ static const struct ieee1394_device_id bebob_id_table[] = { SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal), /* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */ SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal), - // Mackie, d.2 (Firewire option card) and d.2 Pro (the card is built-in). + // Mackie, d.2 (optional Firewire card with DM1000). SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal), /* Stanton, ScratchAmp */ SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal), diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c index 6184a7c8f2b3..bebb2b8296cb 100644 --- a/sound/firewire/oxfw/oxfw.c +++ b/sound/firewire/oxfw/oxfw.c @@ -350,7 +350,7 @@ static const struct ieee1394_device_id oxfw_id_table[] = { * Onyx-i series (former models): 0x081216 * Mackie Onyx Satellite: 0x00200f * Tapco LINK.firewire 4x6: 0x000460 - * d.4 pro: Unknown + * d.2 pro/d.4 pro (built-in card): Unknown * U.420: Unknown * U.420d: Unknown */
From: Luiz Sampaio sampaio.ime@gmail.com
[ Upstream commit 1f5e7518f063728aee0679c5086b92d8ea429e11 ]
The purpose of the w1_ds2438_get_page function is to get the register values at the page passed as the pageno parameter. However, the page0 was hardcoded, such that the function always returned the page0 contents. Fixed so that the function can retrieve any page.
Signed-off-by: Luiz Sampaio sampaio.ime@gmail.com Link: https://lore.kernel.org/r/20210519223046.13798-5-sampaio.ime@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/w1/slaves/w1_ds2438.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/w1/slaves/w1_ds2438.c b/drivers/w1/slaves/w1_ds2438.c index d199e5a25cc0..404dacb15004 100644 --- a/drivers/w1/slaves/w1_ds2438.c +++ b/drivers/w1/slaves/w1_ds2438.c @@ -62,13 +62,13 @@ static int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf) if (w1_reset_select_slave(sl)) continue; w1_buf[0] = W1_DS2438_RECALL_MEMORY; - w1_buf[1] = 0x00; + w1_buf[1] = (u8)pageno; w1_write_block(sl->master, w1_buf, 2);
if (w1_reset_select_slave(sl)) continue; w1_buf[0] = W1_DS2438_READ_SCRATCH; - w1_buf[1] = 0x00; + w1_buf[1] = (u8)pageno; w1_write_block(sl->master, w1_buf, 2);
count = w1_read_block(sl->master, buf, DS2438_PAGE_SIZE + 1);
From: Sergey Shtylyov s.shtylyov@omp.ru
[ Upstream commit ab17122e758ef68fb21033e25c041144067975f5 ]
After commit 6c11dc060427 ("scsi: hisi_sas: Fix IRQ checks") we have the error codes returned by platform_get_irq() ready for the propagation upsream in interrupt_init_v1_hw() -- that will fix still broken deferred probing. Let's propagate the error codes from devm_request_irq() as well since I don't see the reason to override them with -ENOENT...
Link: https://lore.kernel.org/r/49ba93a3-d427-7542-d85a-b74fe1a33a73@omp.ru Acked-by: John Garry john.garry@huawei.com Signed-off-by: Sergey Shtylyov s.shtylyov@omp.ru Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 3364ae0b9bfe..9f6534bd354b 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1648,7 +1648,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) if (irq < 0) { dev_err(dev, "irq init: fail map phy interrupt %d\n", idx); - return -ENOENT; + return irq; }
rc = devm_request_irq(dev, irq, phy_interrupts[j], 0, @@ -1656,7 +1656,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) if (rc) { dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n", irq, rc); - return -ENOENT; + return rc; } } } @@ -1667,7 +1667,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) if (irq < 0) { dev_err(dev, "irq init: could not map cq interrupt %d\n", idx); - return -ENOENT; + return irq; }
rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0, @@ -1675,7 +1675,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) if (rc) { dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n", irq, rc); - return -ENOENT; + return rc; } }
@@ -1685,7 +1685,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) if (irq < 0) { dev_err(dev, "irq init: could not map fatal interrupt %d\n", idx); - return -ENOENT; + return irq; }
rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0, @@ -1693,7 +1693,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) if (rc) { dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n", irq, rc); - return -ENOENT; + return rc; } }
From: James Smart jsmart2021@gmail.com
[ Upstream commit e30d55137edef47434c40d7570276a0846fe922c ]
An 'unexpected timeout' message may be seen in a point-2-point topology. The message occurs when a PLOGI is received before the driver is notified of FLOGI completion. The FLOGI completion failure causes discovery to be triggered for a second time. The discovery timer is restarted but no new discovery activity is initiated, thus the timeout message eventually appears.
In point-2-point, when discovery has progressed before the FLOGI completion is processed, it is not a failure. Add code to FLOGI completion to detect that discovery has progressed and exit the FLOGI handling (noop'ing it).
Link: https://lore.kernel.org/r/20210514195559.119853-4-jsmart2021@gmail.com Co-developed-by: Justin Tee justin.tee@broadcom.com Signed-off-by: Justin Tee justin.tee@broadcom.com Signed-off-by: James Smart jsmart2021@gmail.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/lpfc/lpfc_els.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 4e994a693e3f..2040affa0887 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1179,6 +1179,15 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, phba->fcf.fcf_redisc_attempted = 0; /* reset */ goto out; } + } else if (vport->port_state > LPFC_FLOGI && + vport->fc_flag & FC_PT2PT) { + /* + * In a p2p topology, it is possible that discovery has + * already progressed, and this completion can be ignored. + * Recheck the indicated topology. + */ + if (!sp->cmn.fPort) + goto out; }
flogifail:
From: James Smart jsmart2021@gmail.com
[ Upstream commit 5aa615d195f1e142c662cb2253f057c9baec7531 ]
The driver is encountering a crash in lpfc_free_iocb_list() while performing initial attachment.
Code review found this to be an errant failure path that was taken, jumping to a tag that then referenced structures that were uninitialized.
Fix the failure path.
Link: https://lore.kernel.org/r/20210514195559.119853-9-jsmart2021@gmail.com Co-developed-by: Justin Tee justin.tee@broadcom.com Signed-off-by: Justin Tee justin.tee@broadcom.com Signed-off-by: James Smart jsmart2021@gmail.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/lpfc/lpfc_sli.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 795460eda6a5..4a7ceaa34341 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -7602,7 +7602,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) "0393 Error %d during rpi post operation\n", rc); rc = -ENODEV; - goto out_destroy_queue; + goto out_free_iocblist; } lpfc_sli4_node_prep(phba);
@@ -7765,8 +7765,9 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) out_unset_queue: /* Unset all the queues set up in this routine when error out */ lpfc_sli4_queue_unset(phba); -out_destroy_queue: +out_free_iocblist: lpfc_free_iocb_list(phba); +out_destroy_queue: lpfc_sli4_queue_destroy(phba); out_stop_timers: lpfc_stop_hba_timers(phba);
From: John Garry john.garry@huawei.com
[ Upstream commit ea2f0f77538c50739b9fb4de4700cee5535e1f77 ]
The sysfs handling function sdev_store_queue_depth() enforces that the sdev queue depth cannot exceed shost can_queue. The initial sdev queue depth comes from shost cmd_per_lun. However, the LLDD may manually set cmd_per_lun to be larger than can_queue, which leads to an initial sdev queue depth greater than can_queue.
Such an issue was reported in [0], which caused a hang. That has since been fixed in commit fc09acb7de31 ("scsi: scsi_debug: Fix cmd_per_lun, set to max_queue").
Stop this possibly happening for other drivers by capping shost cmd_per_lun at shost can_queue.
[0] https://lore.kernel.org/linux-scsi/YHaez6iN2HHYxYOh@T590/
Link: https://lore.kernel.org/r/1621434662-173079-1-git-send-email-john.garry@huaw... Reviewed-by: Ming Lei ming.lei@redhat.com Reviewed-by: Bart Van Assche bvanassche@acm.org Signed-off-by: John Garry john.garry@huawei.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/hosts.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index ff36432c8fbc..1e0496f71e5a 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -219,6 +219,9 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, goto fail; }
+ shost->cmd_per_lun = min_t(short, shost->cmd_per_lun, + shost->can_queue); + error = scsi_init_sense_cache(shost); if (error) goto fail;
From: Yufen Yu yuyufen@huawei.com
[ Upstream commit a38e93302ee25b2ca6f4ee76c6c974cf3637985e ]
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.
Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Yufen Yu yuyufen@huawei.com Link: https://lore.kernel.org/r/20210524093811.612302-1-yuyufen@huawei.com Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/ac97/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c index 7985dd8198b6..99e1728b52ae 100644 --- a/sound/ac97/bus.c +++ b/sound/ac97/bus.c @@ -520,7 +520,7 @@ static int ac97_bus_remove(struct device *dev) struct ac97_codec_driver *adrv = to_ac97_driver(dev->driver); int ret;
- ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) return ret;
From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ Upstream commit fad92b11047a748c996ebd6cfb164a63814eeb2e ]
In the probe function, if the final 'serial_config()' fails, 'info' is leaking.
Add a resource handling path to free this memory.
Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Link: https://lore.kernel.org/r/dc25f96b7faebf42e60fe8d02963c941cf4d8124.162197172... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/8250/serial_cs.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c index c8186a05a453..271c0388e00d 100644 --- a/drivers/tty/serial/8250/serial_cs.c +++ b/drivers/tty/serial/8250/serial_cs.c @@ -306,6 +306,7 @@ static int serial_resume(struct pcmcia_device *link) static int serial_probe(struct pcmcia_device *link) { struct serial_info *info; + int ret;
dev_dbg(&link->dev, "serial_attach()\n");
@@ -320,7 +321,15 @@ static int serial_probe(struct pcmcia_device *link) if (do_sound) link->config_flags |= CONF_ENABLE_SPKR;
- return serial_config(link); + ret = serial_config(link); + if (ret) + goto free_info; + + return 0; + +free_info: + kfree(info); + return ret; }
static void serial_detach(struct pcmcia_device *link)
From: Hannes Reinecke hare@suse.de
[ Upstream commit 7e26e3ea028740f934477ec01ba586ab033c35aa ]
scsi_execute() will now return a negative error if there was an error prior to command submission; evaluate that instead if checking for DRIVER_ERROR.
[mkp: build fix]
Link: https://lore.kernel.org/r/20210427083046.31620-6-hare@suse.de Signed-off-by: Hannes Reinecke hare@suse.de Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/device_handler/scsi_dh_alua.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index df5a3bbeba5e..4743317a269a 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -548,12 +548,12 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg) kfree(buff); return SCSI_DH_OK; } - if (!scsi_sense_valid(&sense_hdr)) { + if (retval < 0 || !scsi_sense_valid(&sense_hdr)) { sdev_printk(KERN_INFO, sdev, "%s: rtpg failed, result %d\n", ALUA_DH_NAME, retval); kfree(buff); - if (driver_byte(retval) == DRIVER_ERROR) + if (retval < 0) return SCSI_DH_DEV_TEMP_BUSY; return SCSI_DH_IO; } @@ -775,11 +775,11 @@ static unsigned alua_stpg(struct scsi_device *sdev, struct alua_port_group *pg) retval = submit_stpg(sdev, pg->group_id, &sense_hdr);
if (retval) { - if (!scsi_sense_valid(&sense_hdr)) { + if (retval < 0 || !scsi_sense_valid(&sense_hdr)) { sdev_printk(KERN_INFO, sdev, "%s: stpg failed, result %d", ALUA_DH_NAME, retval); - if (driver_byte(retval) == DRIVER_ERROR) + if (retval < 0) return SCSI_DH_DEV_TEMP_BUSY; } else { sdev_printk(KERN_INFO, sdev, "%s: stpg failed\n",
From: Jiapeng Chong jiapeng.chong@linux.alibaba.com
[ Upstream commit 492109333c29e1bb16d8732e1d597b02e8e0bf2e ]
The error code is missing in this code scenario, add the error code '-EINVAL' to the return value 'rc.
Eliminate the follow smatch warning:
fs/jfs/jfs_logmgr.c:1327 lmLogInit() warn: missing error code 'rc'.
Reported-by: Abaci Robot abaci@linux.alibaba.com Signed-off-by: Jiapeng Chong jiapeng.chong@linux.alibaba.com Signed-off-by: Dave Kleikamp dave.kleikamp@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/jfs/jfs_logmgr.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 9330eff210e0..78fd136ac13b 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -1324,6 +1324,7 @@ int lmLogInit(struct jfs_log * log) } else { if (!uuid_equal(&logsuper->uuid, &log->uuid)) { jfs_warn("wrong uuid on JFS log device"); + rc = -EINVAL; goto errout20; } log->size = le32_to_cpu(logsuper->size);
From: Chandrakanth Patil chandrakanth.patil@broadcom.com
[ Upstream commit b5438f48fdd8e1c3f130d32637511efd32038152 ]
The driver doesn't clean up all the allocated resources properly when scsi_add_host(), megasas_start_aen() function fails during the PCI device probe.
Clean up all those resources.
Link: https://lore.kernel.org/r/20210528131307.25683-3-chandrakanth.patil@broadcom... Signed-off-by: Chandrakanth Patil chandrakanth.patil@broadcom.com Signed-off-by: Sumit Saxena sumit.saxena@broadcom.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/megaraid/megaraid_sas_base.c | 13 +++++++++++++ drivers/scsi/megaraid/megaraid_sas_fusion.c | 1 + 2 files changed, 14 insertions(+)
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index b9c1f722f1de..418178c2b548 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -7415,11 +7415,16 @@ static int megasas_probe_one(struct pci_dev *pdev, return 0;
fail_start_aen: + instance->unload = 1; + scsi_remove_host(instance->host); fail_io_attach: megasas_mgmt_info.count--; megasas_mgmt_info.max_index--; megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
+ if (instance->requestorId && !instance->skip_heartbeat_timer_del) + del_timer_sync(&instance->sriov_heartbeat_timer); + instance->instancet->disable_intr(instance); megasas_destroy_irqs(instance);
@@ -7427,8 +7432,16 @@ static int megasas_probe_one(struct pci_dev *pdev, megasas_release_fusion(instance); else megasas_release_mfi(instance); + if (instance->msix_vectors) pci_free_irq_vectors(instance->pdev); + instance->msix_vectors = 0; + + if (instance->fw_crash_state != UNAVAILABLE) + megasas_free_host_crash_buffer(instance); + + if (instance->adapter_type != MFI_SERIES) + megasas_fusion_stop_watchdog(instance); fail_init_mfi: scsi_host_put(host); fail_alloc_instance: diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 5dcd7b9b72ce..ae7a3e154bb2 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -5177,6 +5177,7 @@ megasas_alloc_fusion_context(struct megasas_instance *instance) if (!fusion->log_to_span) { dev_err(&instance->pdev->dev, "Failed from %s %d\n", __func__, __LINE__); + kfree(instance->ctrl_context); return -ENOMEM; } }
From: Kashyap Desai kashyap.desai@broadcom.com
[ Upstream commit ae6874ba4b43c5a00065f48599811a09d33b873d ]
Consider the case where a VD is deleted and the targetID of that VD is assigned to a newly created VD. If the sequence of deletion/addition of VD happens very quickly there is a possibility that second event (VD add) occurs even before the driver processes the first event (VD delete). As event processing is done in deferred context the device list remains the same (but targetID is re-used) so driver will not learn the VD deletion/additon. I/Os meant for the older VD will be directed to new VD which may lead to data corruption.
Make driver detect the deleted VD as soon as possible based on the RaidMap update and block further I/O to that device.
Link: https://lore.kernel.org/r/20210528131307.25683-4-chandrakanth.patil@broadcom... Reported-by: kernel test robot lkp@intel.com Signed-off-by: Kashyap Desai kashyap.desai@broadcom.com Signed-off-by: Chandrakanth Patil chandrakanth.patil@broadcom.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/megaraid/megaraid_sas.h | 12 ++++ drivers/scsi/megaraid/megaraid_sas_base.c | 83 ++++++++++++++++++++--- drivers/scsi/megaraid/megaraid_sas_fp.c | 6 +- 3 files changed, 92 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index a6e788c02ff4..3d43ac9772f7 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2256,6 +2256,15 @@ enum MR_PERF_MODE { (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \ "Unknown")
+enum MEGASAS_LD_TARGET_ID_STATUS { + LD_TARGET_ID_INITIAL, + LD_TARGET_ID_ACTIVE, + LD_TARGET_ID_DELETED, +}; + +#define MEGASAS_TARGET_ID(sdev) \ + (((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id) + struct megasas_instance {
unsigned int *reply_map; @@ -2320,6 +2329,9 @@ struct megasas_instance { struct megasas_pd_list pd_list[MEGASAS_MAX_PD]; struct megasas_pd_list local_pd_list[MEGASAS_MAX_PD]; u8 ld_ids[MEGASAS_MAX_LD_IDS]; + u8 ld_tgtid_status[MEGASAS_MAX_LD_IDS]; + u8 ld_ids_prev[MEGASAS_MAX_LD_IDS]; + u8 ld_ids_from_raidmap[MEGASAS_MAX_LD_IDS]; s8 init_id;
u16 max_num_sge; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 418178c2b548..6700d43b12ff 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -127,6 +127,8 @@ static int megasas_register_aen(struct megasas_instance *instance, u32 seq_num, u32 class_locale_word); static void megasas_get_pd_info(struct megasas_instance *instance, struct scsi_device *sdev); +static void +megasas_set_ld_removed_by_fw(struct megasas_instance *instance);
/* * PCI ID table for all supported controllers @@ -425,6 +427,12 @@ megasas_decode_evt(struct megasas_instance *instance) (class_locale.members.locale), format_class(class_locale.members.class), evt_detail->description); + + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "evt_detail.args.ld.target_id/index %d/%d\n", + evt_detail->args.ld.target_id, evt_detail->args.ld.ld_index); + }
/** @@ -1759,6 +1767,7 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) { struct megasas_instance *instance; struct MR_PRIV_DEVICE *mr_device_priv_data; + u32 ld_tgt_id;
instance = (struct megasas_instance *) scmd->device->host->hostdata; @@ -1785,17 +1794,21 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) } }
- if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + mr_device_priv_data = scmd->device->hostdata; + if (!mr_device_priv_data || + (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; }
- mr_device_priv_data = scmd->device->hostdata; - if (!mr_device_priv_data) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; + if (MEGASAS_IS_LOGICAL(scmd->device)) { + ld_tgt_id = MEGASAS_TARGET_ID(scmd->device); + if (instance->ld_tgtid_status[ld_tgt_id] == LD_TARGET_ID_DELETED) { + scmd->result = DID_NO_CONNECT << 16; + scmd->scsi_done(scmd); + return 0; + } }
if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) @@ -2071,7 +2084,7 @@ static int megasas_slave_configure(struct scsi_device *sdev)
static int megasas_slave_alloc(struct scsi_device *sdev) { - u16 pd_index = 0; + u16 pd_index = 0, ld_tgt_id; struct megasas_instance *instance ; struct MR_PRIV_DEVICE *mr_device_priv_data;
@@ -2096,6 +2109,14 @@ static int megasas_slave_alloc(struct scsi_device *sdev) GFP_KERNEL); if (!mr_device_priv_data) return -ENOMEM; + + if (MEGASAS_IS_LOGICAL(sdev)) { + ld_tgt_id = MEGASAS_TARGET_ID(sdev); + instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_ACTIVE; + if (megasas_dbg_lvl & LD_PD_DEBUG) + sdev_printk(KERN_INFO, sdev, "LD target ID %d created.\n", ld_tgt_id); + } + sdev->hostdata = mr_device_priv_data;
atomic_set(&mr_device_priv_data->r1_ldio_hint, @@ -2105,6 +2126,19 @@ static int megasas_slave_alloc(struct scsi_device *sdev)
static void megasas_slave_destroy(struct scsi_device *sdev) { + u16 ld_tgt_id; + struct megasas_instance *instance; + + instance = megasas_lookup_instance(sdev->host->host_no); + + if (MEGASAS_IS_LOGICAL(sdev)) { + ld_tgt_id = MEGASAS_TARGET_ID(sdev); + instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_DELETED; + if (megasas_dbg_lvl & LD_PD_DEBUG) + sdev_printk(KERN_INFO, sdev, + "LD target ID %d removed from OS stack\n", ld_tgt_id); + } + kfree(sdev->hostdata); sdev->hostdata = NULL; } @@ -3456,6 +3490,22 @@ megasas_complete_abort(struct megasas_instance *instance, } }
+static void +megasas_set_ld_removed_by_fw(struct megasas_instance *instance) +{ + uint i; + + for (i = 0; (i < MEGASAS_MAX_LD_IDS); i++) { + if (instance->ld_ids_prev[i] != 0xff && + instance->ld_ids_from_raidmap[i] == 0xff) { + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "LD target ID %d removed from RAID map\n", i); + instance->ld_tgtid_status[i] = LD_TARGET_ID_DELETED; + } + } +} + /** * megasas_complete_cmd - Completes a command * @instance: Adapter soft state @@ -3618,9 +3668,13 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, fusion->fast_path_io = 0; }
+ if (instance->adapter_type >= INVADER_SERIES) + megasas_set_ld_removed_by_fw(instance); + megasas_sync_map_info(instance); spin_unlock_irqrestore(instance->host->host_lock, flags); + break; } if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO || @@ -8711,8 +8765,10 @@ megasas_aen_polling(struct work_struct *work) union megasas_evt_class_locale class_locale; int event_type = 0; u32 seq_num; + u16 ld_target_id; int error; u8 dcmd_ret = DCMD_SUCCESS; + struct scsi_device *sdev1;
if (!instance) { printk(KERN_ERR "invalid instance!\n"); @@ -8735,12 +8791,23 @@ megasas_aen_polling(struct work_struct *work) break;
case MR_EVT_LD_OFFLINE: - case MR_EVT_CFG_CLEARED: case MR_EVT_LD_DELETED: + ld_target_id = instance->evt_detail->args.ld.target_id; + sdev1 = scsi_device_lookup(instance->host, + MEGASAS_MAX_PD_CHANNELS + + (ld_target_id / MEGASAS_MAX_DEV_PER_CHANNEL), + (ld_target_id - MEGASAS_MAX_DEV_PER_CHANNEL), + 0); + if (sdev1) + megasas_remove_scsi_device(sdev1); + + event_type = SCAN_VD_CHANNEL; + break; case MR_EVT_LD_CREATED: event_type = SCAN_VD_CHANNEL; break;
+ case MR_EVT_CFG_CLEARED: case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED: case MR_EVT_FOREIGN_CFG_IMPORTED: case MR_EVT_LD_STATE_CHANGE: diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index 50b8c1b12767..8bfb46dbbed3 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -350,6 +350,10 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)
num_lds = le16_to_cpu(drv_map->raidMap.ldCount);
+ memcpy(instance->ld_ids_prev, + instance->ld_ids_from_raidmap, + sizeof(instance->ld_ids_from_raidmap)); + memset(instance->ld_ids_from_raidmap, 0xff, MEGASAS_MAX_LD_IDS); /*Convert Raid capability values to CPU arch */ for (i = 0; (num_lds > 0) && (i < MAX_LOGICAL_DRIVES_EXT); i++) { ld = MR_TargetIdToLdGet(i, drv_map); @@ -360,7 +364,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)
raid = MR_LdRaidGet(ld, drv_map); le32_to_cpus((u32 *)&raid->capability); - + instance->ld_ids_from_raidmap[i] = i; num_lds--; }
From: Chandrakanth Patil chandrakanth.patil@broadcom.com
[ Upstream commit 9bedd36e9146b34dda4d6994e3aa1d72bc6442c1 ]
While reenabling the IRQ after IRQ poll there may be a small window for the firmware to post the replies with interrupts raised. In that case the driver will not see the interrupts which leads to I/O timeout.
This issue only happens when there are many I/O completions on a single reply queue. This forces the driver to switch between the interrupt and IRQ context.
Make the driver process the reply queue one more time after enabling the IRQ.
Link: https://lore.kernel.org/linux-scsi/20201102072746.27410-1-sreekanth.reddy@br... Link: https://lore.kernel.org/r/20210528131307.25683-5-chandrakanth.patil@broadcom... Cc: Tomas Henzl thenzl@redhat.com Reported-by: kernel test robot lkp@intel.com Signed-off-by: Chandrakanth Patil chandrakanth.patil@broadcom.com Signed-off-by: Sumit Saxena sumit.saxena@broadcom.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/megaraid/megaraid_sas_fusion.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index ae7a3e154bb2..a78a702511fa 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -3716,6 +3716,7 @@ static void megasas_sync_irqs(unsigned long instance_addr) if (irq_ctx->irq_poll_scheduled) { irq_ctx->irq_poll_scheduled = false; enable_irq(irq_ctx->os_irq); + complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx); } } } @@ -3747,6 +3748,7 @@ int megasas_irqpoll(struct irq_poll *irqpoll, int budget) irq_poll_complete(irqpoll); irq_ctx->irq_poll_scheduled = false; enable_irq(irq_ctx->os_irq); + complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx); }
return num_entries; @@ -3763,6 +3765,7 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) { struct megasas_instance *instance = (struct megasas_instance *)instance_addr; + struct megasas_irq_context *irq_ctx = NULL; u32 count, MSIxIndex;
count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; @@ -3771,8 +3774,10 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return;
- for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) - complete_cmd_fusion(instance, MSIxIndex, NULL); + for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) { + irq_ctx = &instance->irq_context[MSIxIndex]; + complete_cmd_fusion(instance, MSIxIndex, irq_ctx); + } }
/**
From: Mike Christie michael.christie@oracle.com
[ Upstream commit b1d19e8c92cfb0ded180ef3376c20e130414e067 ]
There are a couple places where we could free the iscsi_cls_conn while it's still in use. This adds some helpers to get/put a refcount on the struct and converts an exiting user. Subsequent commits will then use the helpers to fix 2 bugs in the eh code.
Link: https://lore.kernel.org/r/20210525181821.7617-11-michael.christie@oracle.com Reviewed-by: Lee Duncan lduncan@suse.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/libiscsi.c | 7 ++----- drivers/scsi/scsi_transport_iscsi.c | 12 ++++++++++++ include/scsi/scsi_transport_iscsi.h | 2 ++ 3 files changed, 16 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index c5b7d18513b6..b9981078375d 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1348,7 +1348,6 @@ void iscsi_session_failure(struct iscsi_session *session, enum iscsi_err err) { struct iscsi_conn *conn; - struct device *dev;
spin_lock_bh(&session->frwd_lock); conn = session->leadconn; @@ -1357,10 +1356,8 @@ void iscsi_session_failure(struct iscsi_session *session, return; }
- dev = get_device(&conn->cls_conn->dev); + iscsi_get_conn(conn->cls_conn); spin_unlock_bh(&session->frwd_lock); - if (!dev) - return; /* * if the host is being removed bypass the connection * recovery initialization because we are going to kill @@ -1370,7 +1367,7 @@ void iscsi_session_failure(struct iscsi_session *session, iscsi_conn_error_event(conn->cls_conn, err); else iscsi_conn_failure(conn, err); - put_device(dev); + iscsi_put_conn(conn->cls_conn); } EXPORT_SYMBOL_GPL(iscsi_session_failure);
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index a26df7d6d5d1..2f1553d0a10e 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2308,6 +2308,18 @@ int iscsi_destroy_conn(struct iscsi_cls_conn *conn) } EXPORT_SYMBOL_GPL(iscsi_destroy_conn);
+void iscsi_put_conn(struct iscsi_cls_conn *conn) +{ + put_device(&conn->dev); +} +EXPORT_SYMBOL_GPL(iscsi_put_conn); + +void iscsi_get_conn(struct iscsi_cls_conn *conn) +{ + get_device(&conn->dev); +} +EXPORT_SYMBOL_GPL(iscsi_get_conn); + /* * iscsi interface functions */ diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 325ae731d9ad..71c78410e6ab 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -423,6 +423,8 @@ extern void iscsi_remove_session(struct iscsi_cls_session *session); extern void iscsi_free_session(struct iscsi_cls_session *session); extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess, int dd_size, uint32_t cid); +extern void iscsi_put_conn(struct iscsi_cls_conn *conn); +extern void iscsi_get_conn(struct iscsi_cls_conn *conn); extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn); extern void iscsi_unblock_session(struct iscsi_cls_session *session); extern void iscsi_block_session(struct iscsi_cls_session *session);
From: Mike Christie michael.christie@oracle.com
[ Upstream commit ec29d0ac29be366450a7faffbcf8cba3a6a3b506 ]
If we haven't done a unbind target call we can race where iscsi_conn_teardown wakes up the EH thread and then frees the conn while those threads are still accessing the conn ehwait.
We can only do one TMF per session so this just moves the TMF fields from the conn to the session. We can then rely on the iscsi_session_teardown->iscsi_remove_session->__iscsi_unbind_session call to remove the target and it's devices, and know after that point there is no device or scsi-ml callout trying to access the session.
Link: https://lore.kernel.org/r/20210525181821.7617-14-michael.christie@oracle.com Reviewed-by: Lee Duncan lduncan@suse.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/libiscsi.c | 115 +++++++++++++++++++--------------------- include/scsi/libiscsi.h | 11 ++-- 2 files changed, 60 insertions(+), 66 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index b9981078375d..eeba6180711c 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -230,11 +230,11 @@ static int iscsi_prep_ecdb_ahs(struct iscsi_task *task) */ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode) { - struct iscsi_conn *conn = task->conn; - struct iscsi_tm *tmf = &conn->tmhdr; + struct iscsi_session *session = task->conn->session; + struct iscsi_tm *tmf = &session->tmhdr; u64 hdr_lun;
- if (conn->tmf_state == TMF_INITIAL) + if (session->tmf_state == TMF_INITIAL) return 0;
if ((tmf->opcode & ISCSI_OPCODE_MASK) != ISCSI_OP_SCSI_TMFUNC) @@ -254,24 +254,19 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode) * Fail all SCSI cmd PDUs */ if (opcode != ISCSI_OP_SCSI_DATA_OUT) { - iscsi_conn_printk(KERN_INFO, conn, - "task [op %x itt " - "0x%x/0x%x] " - "rejected.\n", - opcode, task->itt, - task->hdr_itt); + iscsi_session_printk(KERN_INFO, session, + "task [op %x itt 0x%x/0x%x] rejected.\n", + opcode, task->itt, task->hdr_itt); return -EACCES; } /* * And also all data-out PDUs in response to R2T * if fast_abort is set. */ - if (conn->session->fast_abort) { - iscsi_conn_printk(KERN_INFO, conn, - "task [op %x itt " - "0x%x/0x%x] fast abort.\n", - opcode, task->itt, - task->hdr_itt); + if (session->fast_abort) { + iscsi_session_printk(KERN_INFO, session, + "task [op %x itt 0x%x/0x%x] fast abort.\n", + opcode, task->itt, task->hdr_itt); return -EACCES; } break; @@ -284,7 +279,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode) */ if (opcode == ISCSI_OP_SCSI_DATA_OUT && task->hdr_itt == tmf->rtt) { - ISCSI_DBG_SESSION(conn->session, + ISCSI_DBG_SESSION(session, "Preventing task %x/%x from sending " "data-out due to abort task in " "progress\n", task->itt, @@ -923,20 +918,21 @@ iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr, static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr) { struct iscsi_tm_rsp *tmf = (struct iscsi_tm_rsp *)hdr; + struct iscsi_session *session = conn->session;
conn->exp_statsn = be32_to_cpu(hdr->statsn) + 1; conn->tmfrsp_pdus_cnt++;
- if (conn->tmf_state != TMF_QUEUED) + if (session->tmf_state != TMF_QUEUED) return;
if (tmf->response == ISCSI_TMF_RSP_COMPLETE) - conn->tmf_state = TMF_SUCCESS; + session->tmf_state = TMF_SUCCESS; else if (tmf->response == ISCSI_TMF_RSP_NO_TASK) - conn->tmf_state = TMF_NOT_FOUND; + session->tmf_state = TMF_NOT_FOUND; else - conn->tmf_state = TMF_FAILED; - wake_up(&conn->ehwait); + session->tmf_state = TMF_FAILED; + wake_up(&session->ehwait); }
static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) @@ -1784,15 +1780,14 @@ EXPORT_SYMBOL_GPL(iscsi_target_alloc);
static void iscsi_tmf_timedout(struct timer_list *t) { - struct iscsi_conn *conn = from_timer(conn, t, tmf_timer); - struct iscsi_session *session = conn->session; + struct iscsi_session *session = from_timer(session, t, tmf_timer);
spin_lock(&session->frwd_lock); - if (conn->tmf_state == TMF_QUEUED) { - conn->tmf_state = TMF_TIMEDOUT; + if (session->tmf_state == TMF_QUEUED) { + session->tmf_state = TMF_TIMEDOUT; ISCSI_DBG_EH(session, "tmf timedout\n"); /* unblock eh_abort() */ - wake_up(&conn->ehwait); + wake_up(&session->ehwait); } spin_unlock(&session->frwd_lock); } @@ -1815,8 +1810,8 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn, return -EPERM; } conn->tmfcmd_pdus_cnt++; - conn->tmf_timer.expires = timeout * HZ + jiffies; - add_timer(&conn->tmf_timer); + session->tmf_timer.expires = timeout * HZ + jiffies; + add_timer(&session->tmf_timer); ISCSI_DBG_EH(session, "tmf set timeout\n");
spin_unlock_bh(&session->frwd_lock); @@ -1830,12 +1825,12 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn, * 3) session is terminated or restarted or userspace has * given up on recovery */ - wait_event_interruptible(conn->ehwait, age != session->age || + wait_event_interruptible(session->ehwait, age != session->age || session->state != ISCSI_STATE_LOGGED_IN || - conn->tmf_state != TMF_QUEUED); + session->tmf_state != TMF_QUEUED); if (signal_pending(current)) flush_signals(current); - del_timer_sync(&conn->tmf_timer); + del_timer_sync(&session->tmf_timer);
mutex_lock(&session->eh_mutex); spin_lock_bh(&session->frwd_lock); @@ -2195,17 +2190,17 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) }
/* only have one tmf outstanding at a time */ - if (conn->tmf_state != TMF_INITIAL) + if (session->tmf_state != TMF_INITIAL) goto failed; - conn->tmf_state = TMF_QUEUED; + session->tmf_state = TMF_QUEUED;
- hdr = &conn->tmhdr; + hdr = &session->tmhdr; iscsi_prep_abort_task_pdu(task, hdr);
if (iscsi_exec_task_mgmt_fn(conn, hdr, age, session->abort_timeout)) goto failed;
- switch (conn->tmf_state) { + switch (session->tmf_state) { case TMF_SUCCESS: spin_unlock_bh(&session->frwd_lock); /* @@ -2220,7 +2215,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) */ spin_lock_bh(&session->frwd_lock); fail_scsi_task(task, DID_ABORT); - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; memset(hdr, 0, sizeof(*hdr)); spin_unlock_bh(&session->frwd_lock); iscsi_start_tx(conn); @@ -2231,7 +2226,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) goto failed_unlocked; case TMF_NOT_FOUND: if (!sc->SCp.ptr) { - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; memset(hdr, 0, sizeof(*hdr)); /* task completed before tmf abort response */ ISCSI_DBG_EH(session, "sc completed while abort in " @@ -2240,7 +2235,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) } /* fall through */ default: - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; goto failed; }
@@ -2297,11 +2292,11 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) conn = session->leadconn;
/* only have one tmf outstanding at a time */ - if (conn->tmf_state != TMF_INITIAL) + if (session->tmf_state != TMF_INITIAL) goto unlock; - conn->tmf_state = TMF_QUEUED; + session->tmf_state = TMF_QUEUED;
- hdr = &conn->tmhdr; + hdr = &session->tmhdr; iscsi_prep_lun_reset_pdu(sc, hdr);
if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age, @@ -2310,7 +2305,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) goto unlock; }
- switch (conn->tmf_state) { + switch (session->tmf_state) { case TMF_SUCCESS: break; case TMF_TIMEDOUT: @@ -2318,7 +2313,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST); goto done; default: - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; goto unlock; }
@@ -2330,7 +2325,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) spin_lock_bh(&session->frwd_lock); memset(hdr, 0, sizeof(*hdr)); fail_scsi_tasks(conn, sc->device->lun, DID_ERROR); - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; spin_unlock_bh(&session->frwd_lock);
iscsi_start_tx(conn); @@ -2353,8 +2348,7 @@ void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session) spin_lock_bh(&session->frwd_lock); if (session->state != ISCSI_STATE_LOGGED_IN) { session->state = ISCSI_STATE_RECOVERY_FAILED; - if (session->leadconn) - wake_up(&session->leadconn->ehwait); + wake_up(&session->ehwait); } spin_unlock_bh(&session->frwd_lock); } @@ -2399,7 +2393,7 @@ int iscsi_eh_session_reset(struct scsi_cmnd *sc) iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST);
ISCSI_DBG_EH(session, "wait for relogin\n"); - wait_event_interruptible(conn->ehwait, + wait_event_interruptible(session->ehwait, session->state == ISCSI_STATE_TERMINATE || session->state == ISCSI_STATE_LOGGED_IN || session->state == ISCSI_STATE_RECOVERY_FAILED); @@ -2460,11 +2454,11 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc) conn = session->leadconn;
/* only have one tmf outstanding at a time */ - if (conn->tmf_state != TMF_INITIAL) + if (session->tmf_state != TMF_INITIAL) goto unlock; - conn->tmf_state = TMF_QUEUED; + session->tmf_state = TMF_QUEUED;
- hdr = &conn->tmhdr; + hdr = &session->tmhdr; iscsi_prep_tgt_reset_pdu(sc, hdr);
if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age, @@ -2473,7 +2467,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc) goto unlock; }
- switch (conn->tmf_state) { + switch (session->tmf_state) { case TMF_SUCCESS: break; case TMF_TIMEDOUT: @@ -2481,7 +2475,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc) iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST); goto done; default: - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; goto unlock; }
@@ -2493,7 +2487,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc) spin_lock_bh(&session->frwd_lock); memset(hdr, 0, sizeof(*hdr)); fail_scsi_tasks(conn, -1, DID_ERROR); - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; spin_unlock_bh(&session->frwd_lock);
iscsi_start_tx(conn); @@ -2798,7 +2792,10 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost, session->tt = iscsit; session->dd_data = cls_session->dd_data + sizeof(*session);
+ session->tmf_state = TMF_INITIAL; + timer_setup(&session->tmf_timer, iscsi_tmf_timedout, 0); mutex_init(&session->eh_mutex); + spin_lock_init(&session->frwd_lock); spin_lock_init(&session->back_lock);
@@ -2902,7 +2899,6 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, conn->c_stage = ISCSI_CONN_INITIAL_STAGE; conn->id = conn_idx; conn->exp_statsn = 0; - conn->tmf_state = TMF_INITIAL;
timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
@@ -2928,8 +2924,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, goto login_task_data_alloc_fail; conn->login_task->data = conn->data = data;
- timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0); - init_waitqueue_head(&conn->ehwait); + init_waitqueue_head(&session->ehwait);
return cls_conn;
@@ -2964,7 +2959,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) * leading connection? then give up on recovery. */ session->state = ISCSI_STATE_TERMINATE; - wake_up(&conn->ehwait); + wake_up(&session->ehwait); } spin_unlock_bh(&session->frwd_lock);
@@ -3039,7 +3034,7 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn) * commands after successful recovery */ conn->stop_stage = 0; - conn->tmf_state = TMF_INITIAL; + session->tmf_state = TMF_INITIAL; session->age++; if (session->age == 16) session->age = 0; @@ -3053,7 +3048,7 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn) spin_unlock_bh(&session->frwd_lock);
iscsi_unblock_session(session->cls_session); - wake_up(&conn->ehwait); + wake_up(&session->ehwait); return 0; } EXPORT_SYMBOL_GPL(iscsi_conn_start); @@ -3140,7 +3135,7 @@ static void iscsi_start_session_recovery(struct iscsi_session *session, spin_lock_bh(&session->frwd_lock); fail_scsi_tasks(conn, -1, DID_TRANSPORT_DISRUPTED); fail_mgmt_tasks(session, conn); - memset(&conn->tmhdr, 0, sizeof(conn->tmhdr)); + memset(&session->tmhdr, 0, sizeof(session->tmhdr)); spin_unlock_bh(&session->frwd_lock); mutex_unlock(&session->eh_mutex); } diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index b3bbd10eb3f0..2b5f97224f69 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -195,12 +195,6 @@ struct iscsi_conn { unsigned long suspend_tx; /* suspend Tx */ unsigned long suspend_rx; /* suspend Rx */
- /* abort */ - wait_queue_head_t ehwait; /* used in eh_abort() */ - struct iscsi_tm tmhdr; - struct timer_list tmf_timer; - int tmf_state; /* see TMF_INITIAL, etc.*/ - /* negotiated params */ unsigned max_recv_dlength; /* initiator_max_recv_dsl*/ unsigned max_xmit_dlength; /* target_max_recv_dsl */ @@ -270,6 +264,11 @@ struct iscsi_session { * and recv lock. */ struct mutex eh_mutex; + /* abort */ + wait_queue_head_t ehwait; /* used in eh_abort() */ + struct iscsi_tm tmhdr; + struct timer_list tmf_timer; + int tmf_state; /* see TMF_INITIAL, etc.*/
/* iSCSI session-wide sequencing */ uint32_t cmdsn;
From: Mike Christie michael.christie@oracle.com
[ Upstream commit bdd4aad7ff92ae39c2e93c415bb6761cb8b584da ]
The iscsi offload drivers are setting the shost->max_id to the max number of sessions they support. The problem is that max_id is not the max number of targets but the highest identifier the targets can have. To use it to limit the number of targets we need to set it to max sessions - 1, or we can end up with a session we might not have preallocated resources for.
Link: https://lore.kernel.org/r/20210525181821.7617-15-michael.christie@oracle.com Reviewed-by: Lee Duncan lduncan@suse.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/be2iscsi/be_main.c | 4 ++-- drivers/scsi/bnx2i/bnx2i_iscsi.c | 2 +- drivers/scsi/cxgbi/libcxgbi.c | 4 ++-- drivers/scsi/qedi/qedi_main.c | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 0760d0bd8a10..6fcd413c2ac9 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -416,7 +416,7 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev) "beiscsi_hba_alloc - iscsi_host_alloc failed\n"); return NULL; } - shost->max_id = BE2_MAX_SESSIONS; + shost->max_id = BE2_MAX_SESSIONS - 1; shost->max_channel = 0; shost->max_cmd_len = BEISCSI_MAX_CMD_LEN; shost->max_lun = BEISCSI_NUM_MAX_LUN; @@ -5318,7 +5318,7 @@ static int beiscsi_enable_port(struct beiscsi_hba *phba) /* Re-enable UER. If different TPE occurs then it is recoverable. */ beiscsi_set_uer_feature(phba);
- phba->shost->max_id = phba->params.cxns_per_ctrl; + phba->shost->max_id = phba->params.cxns_per_ctrl - 1; phba->shost->can_queue = phba->params.ios_per_ctrl; ret = beiscsi_init_port(phba); if (ret < 0) { diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index 0b28d44d3573..949d20b72ec4 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -793,7 +793,7 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic) return NULL; shost->dma_boundary = cnic->pcidev->dma_mask; shost->transportt = bnx2i_scsi_xport_template; - shost->max_id = ISCSI_MAX_CONNS_PER_HBA; + shost->max_id = ISCSI_MAX_CONNS_PER_HBA - 1; shost->max_channel = 0; shost->max_lun = 512; shost->max_cmd_len = 16; diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 2cd2761bd249..40d93fadd206 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -337,7 +337,7 @@ void cxgbi_hbas_remove(struct cxgbi_device *cdev) EXPORT_SYMBOL_GPL(cxgbi_hbas_remove);
int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun, - unsigned int max_id, struct scsi_host_template *sht, + unsigned int max_conns, struct scsi_host_template *sht, struct scsi_transport_template *stt) { struct cxgbi_hba *chba; @@ -357,7 +357,7 @@ int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun,
shost->transportt = stt; shost->max_lun = max_lun; - shost->max_id = max_id; + shost->max_id = max_conns - 1; shost->max_channel = 0; shost->max_cmd_len = 16;
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 4498add3d4d6..1ec42c5f0b2a 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -631,7 +631,7 @@ static struct qedi_ctx *qedi_host_alloc(struct pci_dev *pdev) goto exit_setup_shost; }
- shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA; + shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA - 1; shost->max_channel = 0; shost->max_lun = ~0; shost->max_cmd_len = 16;
From: Mike Christie michael.christie@oracle.com
[ Upstream commit 5777b7f0f03ce49372203b6521631f62f2810c8f ]
If qedi_process_cmd_cleanup_resp finds the cmd it frees the work and sets list_tmf_work to NULL, so qedi_tmf_work should check if list_tmf_work is non-NULL when it wants to force cleanup.
Link: https://lore.kernel.org/r/20210525181821.7617-20-michael.christie@oracle.com Reviewed-by: Manish Rangankar mrangankar@marvell.com Signed-off-by: Mike Christie michael.christie@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/qedi/qedi_fw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index 90aa64604ad7..37b8f08d5020 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -1451,7 +1451,7 @@ static void qedi_tmf_work(struct work_struct *work)
ldel_exit: spin_lock_bh(&qedi_conn->tmf_work_lock); - if (!qedi_cmd->list_tmf_work) { + if (qedi_cmd->list_tmf_work) { list_del_init(&list_work->list); qedi_cmd->list_tmf_work = NULL; kfree(list_work);
From: Zou Wei zou_wei@huawei.com
[ Upstream commit 4700ef326556ed74aba188f12396740a8c1c21dd ]
This patch adds/modifies MODULE_DEVICE_TABLE definition which generates correct modalias for automatic loading of this driver when it is built as an external module.
Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zou Wei zou_wei@huawei.com Signed-off-by: Lee Jones lee.jones@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mfd/da9052-i2c.c | 1 + drivers/mfd/stmpe-i2c.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c index 47556d2d9abe..8ebfc7bbe4e0 100644 --- a/drivers/mfd/da9052-i2c.c +++ b/drivers/mfd/da9052-i2c.c @@ -113,6 +113,7 @@ static const struct i2c_device_id da9052_i2c_id[] = { {"da9053-bc", DA9053_BC}, {} }; +MODULE_DEVICE_TABLE(i2c, da9052_i2c_id);
#ifdef CONFIG_OF static const struct of_device_id dialog_dt_ids[] = { diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c index 61aa020199f5..cd2f45257dc1 100644 --- a/drivers/mfd/stmpe-i2c.c +++ b/drivers/mfd/stmpe-i2c.c @@ -109,7 +109,7 @@ static const struct i2c_device_id stmpe_i2c_id[] = { { "stmpe2403", STMPE2403 }, { } }; -MODULE_DEVICE_TABLE(i2c, stmpe_id); +MODULE_DEVICE_TABLE(i2c, stmpe_i2c_id);
static struct i2c_driver stmpe_i2c_driver = { .driver = {
From: Tony Lindgren tony@atomide.com
[ Upstream commit 0b7cbe811ca524295ea43d9a4d73d3427e419c54 ]
We have started to get a bunch of pointless dmamask not set warnings that makes the output of dmesg -l err,warn hard to read with many extra warnings:
cpcap-regulator cpcap-regulator.0: DMA mask not set cpcap_adc cpcap_adc.0: DMA mask not set cpcap_battery cpcap_battery.0: DMA mask not set cpcap-charger cpcap-charger.0: DMA mask not set cpcap-pwrbutton cpcap-pwrbutton.0: DMA mask not set cpcap-led cpcap-led.0: DMA mask not set cpcap-led cpcap-led.1: DMA mask not set cpcap-led cpcap-led.2: DMA mask not set cpcap-led cpcap-led.3: DMA mask not set cpcap-led cpcap-led.4: DMA mask not set cpcap-rtc cpcap-rtc.0: DMA mask not set cpcap-usb-phy cpcap-usb-phy.0: DMA mask not set
This seems to have started with commit 4d8bde883bfb ("OF: Don't set default coherent DMA mask"). We have the parent SPI controller use DMA, while CPCAP driver and it's children do not. For audio, the DMA is handled over I2S bus with the McBSP driver.
Cc: Carl Philipp Klemm philipp@uvos.xyz Cc: Ivan Jelincic parazyd@dyne.org Cc: Merlijn Wajer merlijn@wizzup.org Cc: Pavel Machek pavel@ucw.cz Cc: Sebastian Reichel sre@kernel.org Cc: Sicelo A. Mhlongo absicsz@gmail.com Signed-off-by: Tony Lindgren tony@atomide.com Signed-off-by: Lee Jones lee.jones@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mfd/motorola-cpcap.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c index 52f38e57cdc1..1ae58c977e1b 100644 --- a/drivers/mfd/motorola-cpcap.c +++ b/drivers/mfd/motorola-cpcap.c @@ -305,6 +305,10 @@ static int cpcap_probe(struct spi_device *spi) if (ret) return ret;
+ /* Parent SPI controller uses DMA, CPCAP and child devices do not */ + spi->dev.coherent_dma_mask = 0; + spi->dev.dma_mask = &spi->dev.coherent_dma_mask; + return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices, ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL); }
From: Yufen Yu yuyufen@huawei.com
[ Upstream commit 81aad47278539f02de808bcc8251fed0ad3d6f55 ]
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.
Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Yufen Yu yuyufen@huawei.com Link: https://lore.kernel.org/r/20210524093521.612176-1-yuyufen@huawei.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/img/img-i2s-in.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/img/img-i2s-in.c b/sound/soc/img/img-i2s-in.c index bb668551dd4b..243f916355ee 100644 --- a/sound/soc/img/img-i2s-in.c +++ b/sound/soc/img/img-i2s-in.c @@ -464,7 +464,7 @@ static int img_i2s_in_probe(struct platform_device *pdev) if (ret) goto err_pm_disable; } - ret = pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_resume_and_get(&pdev->dev); if (ret < 0) goto err_suspend;
From: Daniel Mack daniel@zonque.org
[ Upstream commit d157fca711ad42e75efef3444c83d2e1a17be27a ]
Remove the hack to assign the global console_port variable at probe time. This assumption that cons->index is -1 is wrong for systems that specify 'console=' in the cmdline (or 'stdout-path' in dts). Hence, on such system the actual console assignment is ignored, and the first UART that happens to be probed is used as console instead.
Move the logic to console_setup() and map the console to the correct port through the array of available ports instead.
Signed-off-by: Daniel Mack daniel@zonque.org Link: https://lore.kernel.org/r/20210528133321.1859346-1-daniel@zonque.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/uartlite.c | 27 ++++++--------------------- 1 file changed, 6 insertions(+), 21 deletions(-)
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index 06e79c11141d..56066d93a65b 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -508,21 +508,23 @@ static void ulite_console_write(struct console *co, const char *s,
static int ulite_console_setup(struct console *co, char *options) { - struct uart_port *port; + struct uart_port *port = NULL; int baud = 9600; int bits = 8; int parity = 'n'; int flow = 'n';
- - port = console_port; + if (co->index >= 0 && co->index < ULITE_NR_UARTS) + port = ulite_ports + co->index;
/* Has the device been initialized yet? */ - if (!port->mapbase) { + if (!port || !port->mapbase) { pr_debug("console on ttyUL%i not present\n", co->index); return -ENODEV; }
+ console_port = port; + /* not initialized yet? */ if (!port->membase) { if (ulite_request_port(port)) @@ -658,17 +660,6 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
dev_set_drvdata(dev, port);
-#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE - /* - * If console hasn't been found yet try to assign this port - * because it is required to be assigned for console setup function. - * If register_console() don't assign value, then console_port pointer - * is cleanup. - */ - if (ulite_uart_driver.cons->index == -1) - console_port = port; -#endif - /* Register the port */ rc = uart_add_one_port(&ulite_uart_driver, port); if (rc) { @@ -678,12 +669,6 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq, return rc; }
-#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE - /* This is not port which is used for console that's why clean it up */ - if (ulite_uart_driver.cons->index == -1) - console_port = NULL; -#endif - return 0; }
From: Valentin Vidic vvidic@valentin-vidic.from.hr
[ Upstream commit b7d91d230a119fdcc334d10c9889ce9c5e15118b ]
Console name reported in /proc/consoles:
ttyS1 -W- (EC p ) 4:65
does not match the char device name:
crw--w---- 1 root root 4, 65 May 17 12:18 /dev/ttysclp0
so debian-installer inside a QEMU s390x instance gets confused and fails to start with the following error:
steal-ctty: No such file or directory
Signed-off-by: Valentin Vidic vvidic@valentin-vidic.from.hr Link: https://lore.kernel.org/r/20210427194010.9330-1-vvidic@valentin-vidic.from.h... Signed-off-by: Christian Borntraeger borntraeger@de.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/kernel/setup.c | 2 +- drivers/s390/char/sclp_vt220.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 3588f4c65a4d..f661f176966f 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -162,7 +162,7 @@ static void __init set_preferred_console(void) else if (CONSOLE_IS_3270) add_preferred_console("tty3270", 0, NULL); else if (CONSOLE_IS_VT220) - add_preferred_console("ttyS", 1, NULL); + add_preferred_console("ttysclp", 0, NULL); else if (CONSOLE_IS_HVC) add_preferred_console("hvc", 0, NULL); } diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 3f9a6ef650fa..3c2ed6d01387 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -35,8 +35,8 @@ #define SCLP_VT220_MINOR 65 #define SCLP_VT220_DRIVER_NAME "sclp_vt220" #define SCLP_VT220_DEVICE_NAME "ttysclp" -#define SCLP_VT220_CONSOLE_NAME "ttyS" -#define SCLP_VT220_CONSOLE_INDEX 1 /* console=ttyS1 */ +#define SCLP_VT220_CONSOLE_NAME "ttysclp" +#define SCLP_VT220_CONSOLE_INDEX 0 /* console=ttysclp0 */
/* Representation of a single write request */ struct sclp_vt220_request {
From: Po-Hsu Lin po-hsu.lin@canonical.com
[ Upstream commit 0d3e5a057992bdc66e4dca2ca50b77fa4a7bd90e ]
This test will require /dev/rtc0, the default RTC device, or one specified by user to run. Since this default RTC is not guaranteed to exist on all of the devices, so check its existence first, otherwise skip this test with the kselftest skip code 4.
Without this patch this test will fail like this on a s390x zVM: $ selftests: timers: rtcpie $ /dev/rtc0: No such file or directory not ok 1 selftests: timers: rtcpie # exit=22
With this patch: $ selftests: timers: rtcpie $ Default RTC /dev/rtc0 does not exist. Test Skipped! not ok 9 selftests: timers: rtcpie # SKIP
Fixed up change log so "With this patch" text doesn't get dropped. Shuah Khan skhan@linuxfoundation.org
Signed-off-by: Po-Hsu Lin po-hsu.lin@canonical.com Signed-off-by: Shuah Khan skhan@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/timers/rtcpie.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/timers/rtcpie.c b/tools/testing/selftests/timers/rtcpie.c index 47b5bad1b393..4ef2184f1558 100644 --- a/tools/testing/selftests/timers/rtcpie.c +++ b/tools/testing/selftests/timers/rtcpie.c @@ -18,6 +18,8 @@ #include <stdlib.h> #include <errno.h>
+#include "../kselftest.h" + /* * This expects the new RTC class driver framework, working with * clocks that will often not be clones of what the PC-AT had. @@ -35,8 +37,14 @@ int main(int argc, char **argv) switch (argc) { case 2: rtc = argv[1]; - /* FALLTHROUGH */ + break; case 1: + fd = open(default_rtc, O_RDONLY); + if (fd == -1) { + printf("Default RTC %s does not exist. Test Skipped!\n", default_rtc); + exit(KSFT_SKIP); + } + close(fd); break; default: fprintf(stderr, "usage: rtctest [rtcdev] [d]\n");
From: Alan Stern stern@rowland.harvard.edu
[ Upstream commit 60dfe484cef45293e631b3a6e8995f1689818172 ]
The USB core has utility routines to retrieve various types of descriptors. These routines will now provoke a WARN if they are asked to retrieve 0 bytes (USB "receive" requests must not have zero length), so avert this by checking the size argument at the start.
CC: Johan Hovold johan@kernel.org Reported-and-tested-by: syzbot+7dbcd9ff34dc4ed45240@syzkaller.appspotmail.com Reviewed-by: Johan Hovold johan@kernel.org Signed-off-by: Alan Stern stern@rowland.harvard.edu Link: https://lore.kernel.org/r/20210607152307.GD1768031@rowland.harvard.edu Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/core/message.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 041c68ea329f..7ca908704777 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -647,6 +647,9 @@ int usb_get_descriptor(struct usb_device *dev, unsigned char type, int i; int result;
+ if (size <= 0) /* No point in asking for no data */ + return -EINVAL; + memset(buf, 0, size); /* Make sure we parse really received data */
for (i = 0; i < 3; ++i) { @@ -695,6 +698,9 @@ static int usb_get_string(struct usb_device *dev, unsigned short langid, int i; int result;
+ if (size <= 0) /* No point in asking for no data */ + return -EINVAL; + for (i = 0; i < 3; ++i) { /* retry on length 0 or stall; some devices are flakey */ result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
From: Takashi Iwai tiwai@suse.de
[ Upstream commit c305366a37441c2ac90b08711cb6f032b43672f2 ]
snd_sb_qsound_destroy() contains the calls of removing the previously created mixer controls, but it doesn't clear the pointers. As snd_sb_qsound_destroy() itself may be repeatedly called via ioctl, this could lead to double-free potentially.
Fix it by clearing the struct fields properly afterwards.
Link: https://lore.kernel.org/r/20210608140540.17885-4-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/isa/sb/sb16_csp.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index 69960cf1bb51..ef1289cc78a4 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -1072,10 +1072,14 @@ static void snd_sb_qsound_destroy(struct snd_sb_csp * p) card = p->chip->card; down_write(&card->controls_rwsem); - if (p->qsound_switch) + if (p->qsound_switch) { snd_ctl_remove(card, p->qsound_switch); - if (p->qsound_space) + p->qsound_switch = NULL; + } + if (p->qsound_space) { snd_ctl_remove(card, p->qsound_space); + p->qsound_space = NULL; + } up_write(&card->controls_rwsem);
/* cancel pending transfer of QSound parameters */
From: Geoff Levand geoff@infradead.org
[ Upstream commit 9733862e50fdba55e7f1554e4286fcc5302ff28e ]
Commit f959dcd6ddfd29235030e8026471ac1b022ad2b0 (dma-direct: Fix potential NULL pointer dereference) added a null check on the dma_mask pointer of the kernel's device structure.
Add a dma_mask variable to the ps3_dma_region structure and set the device structure's dma_mask pointer to point to this new variable.
Fixes runtime errors like these: # WARNING: Fixes tag on line 10 doesn't match correct format # WARNING: Fixes tag on line 10 doesn't match correct format
ps3_system_bus_match:349: dev=8.0(sb_01), drv=8.0(ps3flash): match WARNING: CPU: 0 PID: 1 at kernel/dma/mapping.c:151 .dma_map_page_attrs+0x34/0x1e0 ps3flash sb_01: ps3stor_setup:193: map DMA region failed
Signed-off-by: Geoff Levand geoff@infradead.org Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/562d0c9ea0100a30c3b186bcc7adb34b0bbd2cd7.162274642... Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/include/asm/ps3.h | 2 ++ arch/powerpc/platforms/ps3/mm.c | 12 ++++++++++++ 2 files changed, 14 insertions(+)
diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h index cb89e4bf55ce..964063765662 100644 --- a/arch/powerpc/include/asm/ps3.h +++ b/arch/powerpc/include/asm/ps3.h @@ -71,6 +71,7 @@ struct ps3_dma_region_ops; * @bus_addr: The 'translated' bus address of the region. * @len: The length in bytes of the region. * @offset: The offset from the start of memory of the region. + * @dma_mask: Device dma_mask. * @ioid: The IOID of the device who owns this region * @chunk_list: Opaque variable used by the ioc page manager. * @region_ops: struct ps3_dma_region_ops - dma region operations @@ -85,6 +86,7 @@ struct ps3_dma_region { enum ps3_dma_region_type region_type; unsigned long len; unsigned long offset; + u64 dma_mask;
/* driver variables (set by ps3_dma_region_create) */ unsigned long bus_addr; diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index f42fe4e86ce5..c3e374669400 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -6,6 +6,7 @@ * Copyright 2006 Sony Corp. */
+#include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/export.h> #include <linux/memblock.h> @@ -1118,6 +1119,7 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev, enum ps3_dma_region_type region_type, void *addr, unsigned long len) { unsigned long lpar_addr; + int result;
lpar_addr = addr ? ps3_mm_phys_to_lpar(__pa(addr)) : 0;
@@ -1129,6 +1131,16 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev, r->offset -= map.r1.offset; r->len = len ? len : _ALIGN_UP(map.total, 1 << r->page_size);
+ dev->core.dma_mask = &r->dma_mask; + + result = dma_set_mask_and_coherent(&dev->core, DMA_BIT_MASK(32)); + + if (result < 0) { + dev_err(&dev->core, "%s:%d: dma_set_mask_and_coherent failed: %d\n", + __func__, __LINE__, result); + return result; + } + switch (dev->dev_type) { case PS3_DEVICE_TYPE_SB: r->region_ops = (USE_DYNAMIC_DMA)
From: Xiyu Yang xiyuyang19@fudan.edu.cn
[ Upstream commit 1adf30f198c26539a62d761e45af72cde570413d ]
arm_smmu_rpm_get() invokes pm_runtime_get_sync(), which increases the refcount of the "smmu" even though the return value is less than 0.
The reference counting issue happens in some error handling paths of arm_smmu_rpm_get() in its caller functions. When arm_smmu_rpm_get() fails, the caller functions forget to decrease the refcount of "smmu" increased by arm_smmu_rpm_get(), causing a refcount leak.
Fix this issue by calling pm_runtime_resume_and_get() instead of pm_runtime_get_sync() in arm_smmu_rpm_get(), which can keep the refcount balanced in case of failure.
Signed-off-by: Xiyu Yang xiyuyang19@fudan.edu.cn Signed-off-by: Xin Tan tanxin.ctf@gmail.com Link: https://lore.kernel.org/r/1623293672-17954-1-git-send-email-xiyuyang19@fudan... Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/arm-smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 7c503a6bc585..abf4cf285548 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -114,7 +114,7 @@ static bool using_legacy_binding, using_generic_binding; static inline int arm_smmu_rpm_get(struct arm_smmu_device *smmu) { if (pm_runtime_enabled(smmu->dev)) - return pm_runtime_get_sync(smmu->dev); + return pm_runtime_resume_and_get(smmu->dev);
return 0; }
From: Xiyu Yang xiyuyang19@fudan.edu.cn
[ Upstream commit 7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554 ]
The reference counting issue happens in several exception handling paths of arm_smmu_iova_to_phys_hard(). When those error scenarios occur, the function forgets to decrease the refcount of "smmu" increased by arm_smmu_rpm_get(), causing a refcount leak.
Fix this issue by jumping to "out" label when those error scenarios occur.
Signed-off-by: Xiyu Yang xiyuyang19@fudan.edu.cn Signed-off-by: Xin Tan tanxin.ctf@gmail.com Reviewed-by: Rob Clark robdclark@chromium.org Link: https://lore.kernel.org/r/1623293391-17261-1-git-send-email-xiyuyang19@fudan... Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/arm-smmu.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index abf4cf285548..2185ea5191c1 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1231,6 +1231,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, u64 phys; unsigned long va, flags; int ret, idx = cfg->cbndx; + phys_addr_t addr = 0;
ret = arm_smmu_rpm_get(smmu); if (ret < 0) @@ -1249,6 +1250,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, dev_err(dev, "iova to phys timed out on %pad. Falling back to software table walk.\n", &iova); + arm_smmu_rpm_put(smmu); return ops->iova_to_phys(ops, iova); }
@@ -1257,12 +1259,14 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, if (phys & CB_PAR_F) { dev_err(dev, "translation fault!\n"); dev_err(dev, "PAR = 0x%llx\n", phys); - return 0; + goto out; }
+ addr = (phys & GENMASK_ULL(39, 12)) | (iova & 0xfff); +out: arm_smmu_rpm_put(smmu);
- return (phys & GENMASK_ULL(39, 12)) | (iova & 0xfff); + return addr; }
static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain,
From: Srinivas Neeli srinivas.neeli@xilinx.com
[ Upstream commit a51b2fb94b04ab71e53a71b9fad03fa826941254 ]
Return value of "pm_runtime_get_sync" API was neither captured nor checked. Fixed it by capturing the return value and then checking for any warning.
Addresses-Coverity: "check_return" Signed-off-by: Srinivas Neeli srinivas.neeli@xilinx.com Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-zynq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 88b04d8a7fa7..25a42605aa81 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -938,8 +938,11 @@ static int zynq_gpio_probe(struct platform_device *pdev) static int zynq_gpio_remove(struct platform_device *pdev) { struct zynq_gpio *gpio = platform_get_drvdata(pdev); + int ret;
- pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) + dev_warn(&pdev->dev, "pm_runtime_get_sync() Failed\n"); gpiochip_remove(&gpio->chip); clk_disable_unprepare(gpio->clk); device_set_wakeup_capable(&pdev->dev, 0);
From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 80b9c1be567c3c6bbe0d4b290af578e630485b5d ]
If snd_pmac_tumbler_init() or snd_pmac_tumbler_post_init() fails, snd_pmac_probe() need return error code.
Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Link: https://lore.kernel.org/r/20210616021121.1991502-1-yangyingliang@huawei.com Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/ppc/powermac.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c index 96ef55082bf9..b135d114ce89 100644 --- a/sound/ppc/powermac.c +++ b/sound/ppc/powermac.c @@ -77,7 +77,11 @@ static int snd_pmac_probe(struct platform_device *devptr) sprintf(card->shortname, "PowerMac %s", name_ext); sprintf(card->longname, "%s (Dev %d) Sub-frame %d", card->shortname, chip->device_id, chip->subframe); - if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0) + err = snd_pmac_tumbler_init(chip); + if (err < 0) + goto __error; + err = snd_pmac_tumbler_post_init(); + if (err < 0) goto __error; break; case PMAC_AWACS:
From: Athira Rajeev atrajeev@linux.vnet.ibm.com
[ Upstream commit 45677c9aebe926192e59475b35a1ff35ff2d4217 ]
The "no_handler_test" in ebb selftests attempts to read the PMU registers twice via helper function "dump_ebb_state". First dump is just before closing of event and the second invocation is done after closing of the event. The original intention of second dump_ebb_state was to dump the state of registers at the end of the test when the counters are frozen. But this will be achieved with the first call itself since sample period is set to low value and PMU will be frozen by then. Hence patch removes the dump which was done before closing of the event.
Reported-by: Shirisha Ganta shirisha.ganta1@ibm.com Signed-off-by: Athira Rajeev atrajeev@linux.vnet.ibm.com Tested-by: Nageswara R Sastry <rnsastry@linux.ibm.com mailto:rnsastry@linux.ibm.com> Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/1621950703-1532-2-git-send-email-atrajeev@linux.vn... Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c index fc5bf4870d8e..01e827c31169 100644 --- a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c +++ b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c @@ -50,8 +50,6 @@ static int no_handler_test(void)
event_close(&event);
- dump_ebb_state(); - /* The real test is that we never took an EBB at 0x0 */
return 0;
From: Peter Robinson pbrobinson@gmail.com
[ Upstream commit 6d49b3a0f351925b5ea5047166c112b7590b918a ]
The On Semi pca9655 is a 16 bit variant of the On Semi pca9654 GPIO expander, with 16 GPIOs and interrupt functionality.
Signed-off-by: Peter Robinson pbrobinson@gmail.com [Bartosz: fixed indentation as noted by Andy] Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-pca953x.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 9a24dce3c262..d9193ffa17a1 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -1272,6 +1272,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
{ .compatible = "onnn,cat9554", .data = OF_953X( 8, PCA_INT), }, { .compatible = "onnn,pca9654", .data = OF_953X( 8, PCA_INT), }, + { .compatible = "onnn,pca9655", .data = OF_953X(16, PCA_INT), },
{ .compatible = "exar,xra1202", .data = OF_953X( 8, 0), }, { }
From: Zhen Lei thunder.leizhen@huawei.com
[ Upstream commit 7d3865a10b9ff2669c531d5ddd60bf46b3d48f1e ]
When devm_kcalloc() fails, the error code -ENOMEM should be returned instead of -EINVAL.
Signed-off-by: Zhen Lei thunder.leizhen@huawei.com Link: https://lore.kernel.org/r/20210617103729.1918-1-thunder.leizhen@huawei.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/soc-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 9df20768a8f2..c0e03cc8ea82 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3178,7 +3178,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, if (!routes) { dev_err(card->dev, "ASoC: Could not allocate DAPM route table\n"); - return -EINVAL; + return -ENOMEM; }
for (i = 0; i < num_routes; i++) {
From: Heiko Carstens hca@linux.ibm.com
[ Upstream commit 9c9a915afd90f7534c16a71d1cd44b58596fddf3 ]
s390 is the only architecture which makes use of the __no_kasan_or_inline attribute for two functions. Given that both stap() and __load_psw_mask() are very small functions they can and should be always inlined anyway.
Therefore get rid of __no_kasan_or_inline and always inline these functions.
Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/include/asm/processor.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 560d8b77b1d1..48d6ccdef5f7 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -215,7 +215,7 @@ static inline unsigned long current_stack_pointer(void) return sp; }
-static __no_kasan_or_inline unsigned short stap(void) +static __always_inline unsigned short stap(void) { unsigned short cpu_address;
@@ -254,7 +254,7 @@ static inline void __load_psw(psw_t psw) * Set PSW mask to specified value, while leaving the * PSW addr pointing to the next instruction. */ -static __no_kasan_or_inline void __load_psw_mask(unsigned long mask) +static __always_inline void __load_psw_mask(unsigned long mask) { unsigned long addr; psw_t psw;
From: Heiko Carstens hca@linux.ibm.com
[ Upstream commit 88c2510cecb7e2b518e3c4fdf3cf0e13ebe9377c ]
The __diag308() inline asm temporarily changes the program check new psw to redirect a potential program check on the diag instruction. Restoring of the program check new psw is done in C code behind the inline asm.
This can be problematic, especially if the function is inlined, since the compiler can reorder instructions in such a way that a different instruction, which may result in a program check, might be executed before the program check new psw has been restored.
To avoid such a scenario move restoring into the inline asm. For consistency reasons move also saving of the original program check new psw into the inline asm.
Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/boot/ipl_parm.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/arch/s390/boot/ipl_parm.c b/arch/s390/boot/ipl_parm.c index 24ef67eb1cef..75905b548f69 100644 --- a/arch/s390/boot/ipl_parm.c +++ b/arch/s390/boot/ipl_parm.c @@ -27,22 +27,25 @@ static inline int __diag308(unsigned long subcode, void *addr) register unsigned long _addr asm("0") = (unsigned long)addr; register unsigned long _rc asm("1") = 0; unsigned long reg1, reg2; - psw_t old = S390_lowcore.program_new_psw; + psw_t old;
asm volatile( + " mvc 0(16,%[psw_old]),0(%[psw_pgm])\n" " epsw %0,%1\n" - " st %0,%[psw_pgm]\n" - " st %1,%[psw_pgm]+4\n" + " st %0,0(%[psw_pgm])\n" + " st %1,4(%[psw_pgm])\n" " larl %0,1f\n" - " stg %0,%[psw_pgm]+8\n" + " stg %0,8(%[psw_pgm])\n" " diag %[addr],%[subcode],0x308\n" - "1: nopr %%r7\n" + "1: mvc 0(16,%[psw_pgm]),0(%[psw_old])\n" : "=&d" (reg1), "=&a" (reg2), - [psw_pgm] "=Q" (S390_lowcore.program_new_psw), + "+Q" (S390_lowcore.program_new_psw), + "=Q" (old), [addr] "+d" (_addr), "+d" (_rc) - : [subcode] "d" (subcode) + : [subcode] "d" (subcode), + [psw_old] "a" (&old), + [psw_pgm] "a" (&S390_lowcore.program_new_psw) : "cc", "memory"); - S390_lowcore.program_new_psw = old; return _rc; }
From: Heiko Carstens hca@linux.ibm.com
[ Upstream commit 86807f348f418a84970eebb8f9912a7eea16b497 ]
The __diag260() inline asm temporarily changes the program check new psw to redirect a potential program check on the diag instruction. Restoring of the program check new psw is done in C code behind the inline asm.
This can be problematic, especially if the function is inlined, since the compiler can reorder instructions in such a way that a different instruction, which may result in a program check, might be executed before the program check new psw has been restored.
To avoid such a scenario move restoring into the inline asm. For consistency reasons move also saving of the original program check new psw into the inline asm.
Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/boot/mem_detect.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c index 62e7c13ce85c..032d68165216 100644 --- a/arch/s390/boot/mem_detect.c +++ b/arch/s390/boot/mem_detect.c @@ -70,24 +70,27 @@ static int __diag260(unsigned long rx1, unsigned long rx2) register unsigned long _ry asm("4") = 0x10; /* storage configuration */ int rc = -1; /* fail */ unsigned long reg1, reg2; - psw_t old = S390_lowcore.program_new_psw; + psw_t old;
asm volatile( + " mvc 0(16,%[psw_old]),0(%[psw_pgm])\n" " epsw %0,%1\n" - " st %0,%[psw_pgm]\n" - " st %1,%[psw_pgm]+4\n" + " st %0,0(%[psw_pgm])\n" + " st %1,4(%[psw_pgm])\n" " larl %0,1f\n" - " stg %0,%[psw_pgm]+8\n" + " stg %0,8(%[psw_pgm])\n" " diag %[rx],%[ry],0x260\n" " ipm %[rc]\n" " srl %[rc],28\n" - "1:\n" + "1: mvc 0(16,%[psw_pgm]),0(%[psw_old])\n" : "=&d" (reg1), "=&a" (reg2), - [psw_pgm] "=Q" (S390_lowcore.program_new_psw), + "+Q" (S390_lowcore.program_new_psw), + "=Q" (old), [rc] "+&d" (rc), [ry] "+d" (_ry) - : [rx] "d" (_rx1), "d" (_rx2) + : [rx] "d" (_rx1), "d" (_rx2), + [psw_old] "a" (&old), + [psw_pgm] "a" (&S390_lowcore.program_new_psw) : "cc", "memory"); - S390_lowcore.program_new_psw = old; return rc == 0 ? _ry : -1; }
From: Heiko Carstens hca@linux.ibm.com
[ Upstream commit da9057576785aaab52e706e76c0475c85b77ec14 ]
The tprot() inline asm temporarily changes the program check new psw to redirect a potential program check on the diag instruction. Restoring of the program check new psw is done in C code behind the inline asm.
This can be problematic, especially if the function is inlined, since the compiler can reorder instructions in such a way that a different instruction, which may result in a program check, might be executed before the program check new psw has been restored.
To avoid such a scenario move restoring into the inline asm. For consistency reasons move also saving of the original program check new psw into the inline asm.
Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/boot/mem_detect.c | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-)
diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c index 032d68165216..85049541c191 100644 --- a/arch/s390/boot/mem_detect.c +++ b/arch/s390/boot/mem_detect.c @@ -115,24 +115,30 @@ static int diag260(void)
static int tprot(unsigned long addr) { - unsigned long pgm_addr; + unsigned long reg1, reg2; int rc = -EFAULT; - psw_t old = S390_lowcore.program_new_psw; + psw_t old;
- S390_lowcore.program_new_psw.mask = __extract_psw(); asm volatile( - " larl %[pgm_addr],1f\n" - " stg %[pgm_addr],%[psw_pgm_addr]\n" + " mvc 0(16,%[psw_old]),0(%[psw_pgm])\n" + " epsw %[reg1],%[reg2]\n" + " st %[reg1],0(%[psw_pgm])\n" + " st %[reg2],4(%[psw_pgm])\n" + " larl %[reg1],1f\n" + " stg %[reg1],8(%[psw_pgm])\n" " tprot 0(%[addr]),0\n" " ipm %[rc]\n" " srl %[rc],28\n" - "1:\n" - : [pgm_addr] "=&d"(pgm_addr), - [psw_pgm_addr] "=Q"(S390_lowcore.program_new_psw.addr), - [rc] "+&d"(rc) - : [addr] "a"(addr) + "1: mvc 0(16,%[psw_pgm]),0(%[psw_old])\n" + : [reg1] "=&d" (reg1), + [reg2] "=&a" (reg2), + [rc] "+&d" (rc), + "=Q" (S390_lowcore.program_new_psw.addr), + "=Q" (old) + : [psw_old] "a" (&old), + [psw_pgm] "a" (&S390_lowcore.program_new_psw), + [addr] "a" (addr) : "cc", "memory"); - S390_lowcore.program_new_psw = old; return rc; }
From: Yizhuo Zhai yzhai003@ucr.edu
[ Upstream commit cac7100d4c51c04979dacdfe6c9a5e400d3f0a27 ]
Inside function hideep_nvm_unlock(), variable "unmask_code" could be uninitialized if hideep_pgm_r_reg() returns error, however, it is used in the later if statement after an "and" operation, which is potentially unsafe.
Signed-off-by: Yizhuo yzhai003@ucr.edu Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/input/touchscreen/hideep.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/input/touchscreen/hideep.c b/drivers/input/touchscreen/hideep.c index ddad4a82a5e5..e9547ee29756 100644 --- a/drivers/input/touchscreen/hideep.c +++ b/drivers/input/touchscreen/hideep.c @@ -361,13 +361,16 @@ static int hideep_enter_pgm(struct hideep_ts *ts) return -EIO; }
-static void hideep_nvm_unlock(struct hideep_ts *ts) +static int hideep_nvm_unlock(struct hideep_ts *ts) { u32 unmask_code; + int error;
hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_SFR_RPAGE); - hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code); + error = hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code); hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE); + if (error) + return error;
/* make it unprotected code */ unmask_code &= ~HIDEEP_PROT_MODE; @@ -384,6 +387,8 @@ static void hideep_nvm_unlock(struct hideep_ts *ts) NVM_W_SFR(HIDEEP_NVM_MASK_OFS, ts->nvm_mask); SET_FLASH_HWCONTROL(); hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE); + + return 0; }
static int hideep_check_status(struct hideep_ts *ts) @@ -462,7 +467,9 @@ static int hideep_program_nvm(struct hideep_ts *ts, u32 addr = 0; int error;
- hideep_nvm_unlock(ts); + error = hideep_nvm_unlock(ts); + if (error) + return error;
while (ucode_len > 0) { xfer_len = min_t(size_t, ucode_len, HIDEEP_NVM_PAGE_SIZE);
From: Takashi Sakamoto o-takashi@sakamocchi.jp
[ Upstream commit 50ebe56222bfa0911a932930f9229ee5995508d9 ]
A user of FFADO project reported the issue of ToneWeal FW66. As a result, the device is identified as one of applications of BeBoB solution.
I note that in the report the device returns contradictory result in plug discovery process for audio subunit. Fortunately ALSA BeBoB driver doesn't perform it thus it's likely to handle the device without issues.
I receive no reaction to test request for this patch yet, however it would be worth to add support for it.
daniel@gibbonmoon:/sys/bus/firewire/devices/fw1$ grep -r . * Binary file config_rom matches dev:244:1 guid:0x0023270002000000 hardware_version:0x000002 is_local:0 model:0x020002 model_name:FW66 power/runtime_active_time:0 power/runtime_active_kids:0 power/runtime_usage:0 power/runtime_status:unsupported power/async:disabled power/runtime_suspended_time:0 power/runtime_enabled:disabled power/control:auto subsystem/drivers_autoprobe:1 uevent:MAJOR=244 uevent:MINOR=1 uevent:DEVNAME=fw1 units:0x00a02d:0x010001 vendor:0x002327 vendor_name:ToneWeal fw1.0/uevent:MODALIAS=ieee1394:ven00002327mo00020002sp0000A02Dver00010001 fw1.0/power/runtime_active_time:0 fw1.0/power/runtime_active_kids:0 fw1.0/power/runtime_usage:0 fw1.0/power/runtime_status:unsupported fw1.0/power/async:disabled fw1.0/power/runtime_suspended_time:0 fw1.0/power/runtime_enabled:disabled fw1.0/power/control:auto fw1.0/model:0x020002 fw1.0/rom_index:15 fw1.0/specifier_id:0x00a02d fw1.0/model_name:FW66 fw1.0/version:0x010001 fw1.0/modalias:ieee1394:ven00002327mo00020002sp0000A02Dver00010001
Cc: Daniel Jozsef daniel.jozsef@gmail.com Reference: https://lore.kernel.org/alsa-devel/20200119164335.GA11974@workstation/ Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp Link: https://lore.kernel.org/r/20210619083922.16060-1-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/firewire/Kconfig | 1 + sound/firewire/bebob/bebob.c | 3 +++ 2 files changed, 4 insertions(+)
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig index c16d2dd9a66f..e469375e2f2a 100644 --- a/sound/firewire/Kconfig +++ b/sound/firewire/Kconfig @@ -110,6 +110,7 @@ config SND_BEBOB * M-Audio Ozonic/NRV10/ProfireLightBridge * M-Audio FireWire 1814/ProjectMix IO * Digidesign Mbox 2 Pro + * ToneWeal FW66
To compile this driver as a module, choose M here: the module will be called snd-bebob. diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c index eeb0e4b2f77a..d58f4fe2be8c 100644 --- a/sound/firewire/bebob/bebob.c +++ b/sound/firewire/bebob/bebob.c @@ -59,6 +59,7 @@ static DECLARE_BITMAP(devices_used, SNDRV_CARDS); #define VEN_MAUDIO1 0x00000d6c #define VEN_MAUDIO2 0x000007f5 #define VEN_DIGIDESIGN 0x00a07e +#define OUI_SHOUYO 0x002327
#define MODEL_FOCUSRITE_SAFFIRE_BOTH 0x00000000 #define MODEL_MAUDIO_AUDIOPHILE_BOTH 0x00010060 @@ -486,6 +487,8 @@ static const struct ieee1394_device_id bebob_id_table[] = { &maudio_special_spec), /* Digidesign Mbox 2 Pro */ SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal), + // Toneweal FW66. + SND_BEBOB_DEV_ENTRY(OUI_SHOUYO, 0x020002, &spec_normal), /* IDs are unknown but able to be supported */ /* Apogee, Mini-ME Firewire */ /* Apogee, Mini-DAC Firewire */
From: "Geoffrey D. Bennett" g@b4.vu
[ Upstream commit c5210f213456383482b4a77c5310282a89a106b5 ]
The 18i8 Gen 2 has 8 PCM Inputs, not 20. Fix the ports entry in s18i8_gen2_info.
Signed-off-by: Geoffrey D. Bennett g@b4.vu Link: https://lore.kernel.org/r/20210620164625.GA9165@m.b4.vu Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/mixer_scarlett_gen2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 7a10c9e22c46..a1f1ff72be4f 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -356,7 +356,7 @@ static const struct scarlett2_device_info s18i8_gen2_info = { }, [SCARLETT2_PORT_TYPE_PCM] = { .id = 0x600, - .num = { 20, 18, 18, 14, 10 }, + .num = { 8, 18, 18, 14, 10 }, .src_descr = "PCM %d", .src_num_offset = 1, .dst_descr = "PCM %02d Capture"
From: "Geoffrey D. Bennett" g@b4.vu
[ Upstream commit 9b5ddea9ce5a68d7d2bedcb69901ac2a86c96c7b ]
The private->vol_updated flag was being checked outside of the mutex_lock/unlock() of private->data_mutex leading to the volume data being fetched twice from the device unnecessarily or old volume data being returned.
Update scarlett2_*_ctl_get() and include the private->vol_updated flag check inside the critical region.
Signed-off-by: Geoffrey D. Bennett g@b4.vu Link: https://lore.kernel.org/r/20210620164643.GA9216@m.b4.vu Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/mixer_scarlett_gen2.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-)
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index a1f1ff72be4f..60545eeef28f 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -1028,11 +1028,10 @@ static int scarlett2_master_volume_ctl_get(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_mixer_data *private = mixer->private_data;
- if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex);
ucontrol->value.integer.value[0] = private->master_vol; return 0; @@ -1046,11 +1045,10 @@ static int scarlett2_volume_ctl_get(struct snd_kcontrol *kctl, struct scarlett2_mixer_data *private = mixer->private_data; int index = elem->control;
- if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex);
ucontrol->value.integer.value[0] = private->vol[index]; return 0; @@ -1314,11 +1312,10 @@ static int scarlett2_button_ctl_get(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_mixer_data *private = mixer->private_data;
- if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex);
ucontrol->value.enumerated.item[0] = private->buttons[elem->control]; return 0;
From: "Geoffrey D. Bennett" g@b4.vu
[ Upstream commit c5d8e008032f3cd5f266d552732973a960b0bd4b ]
Mixer control put callbacks should return 1 if the value is changed. Fix the sw_hw, level, pad, and button controls accordingly.
Signed-off-by: Geoffrey D. Bennett g@b4.vu Link: https://lore.kernel.org/r/20210620164645.GA9221@m.b4.vu Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/mixer_scarlett_gen2.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 60545eeef28f..8fd1f948a892 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -1179,6 +1179,8 @@ static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl, /* Send SW/HW switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH, index, val); + if (err == 0) + err = 1;
unlock: mutex_unlock(&private->data_mutex); @@ -1239,6 +1241,8 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl, /* Send switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_LEVEL_SWITCH, index, val); + if (err == 0) + err = 1;
unlock: mutex_unlock(&private->data_mutex); @@ -1289,6 +1293,8 @@ static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl, /* Send switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_PAD_SWITCH, index, val); + if (err == 0) + err = 1;
unlock: mutex_unlock(&private->data_mutex); @@ -1344,6 +1350,8 @@ static int scarlett2_button_ctl_put(struct snd_kcontrol *kctl, /* Send switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_BUTTONS, index, val); + if (err == 0) + err = 1;
unlock: mutex_unlock(&private->data_mutex);
From: Ruslan Bilovol ruslan.bilovol@gmail.com
[ Upstream commit 33cb46c4676d01956811b68a29157ea969a5df70 ]
Running sparse checker it shows warning message about incorrect endianness used for descriptor initialization:
| f_hid.c:91:43: warning: incorrect type in initializer (different base types) | f_hid.c:91:43: expected restricted __le16 [usertype] bcdHID | f_hid.c:91:43: got int
Fixing issue with cpu_to_le16() macro, however this is not a real issue as the value is the same both endians.
Cc: Fabien Chouteau fabien.chouteau@barco.com Cc: Segiy Stetsyuk serg_stetsuk@ukr.net Signed-off-by: Ruslan Bilovol ruslan.bilovol@gmail.com Link: https://lore.kernel.org/r/20210617162755.29676-1-ruslan.bilovol@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/gadget/function/f_hid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index 0586229ac83d..3d540b0d9368 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -88,7 +88,7 @@ static struct usb_interface_descriptor hidg_interface_desc = { static struct hid_descriptor hidg_desc = { .bLength = sizeof hidg_desc, .bDescriptorType = HID_DT_HID, - .bcdHID = 0x0101, + .bcdHID = cpu_to_le16(0x0101), .bCountryCode = 0x00, .bNumDescriptors = 0x1, /*.desc[0].bDescriptorType = DYNAMIC */
From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 88693f770bb09c196b1eb5f06a484a254ecb9924 ]
Fix to return a negative error code from the error handling case instead of 0.
Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Link: https://lore.kernel.org/r/20210618043835.2641360-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/gadget/legacy/hid.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c index c4eda7fe7ab4..5b27d289443f 100644 --- a/drivers/usb/gadget/legacy/hid.c +++ b/drivers/usb/gadget/legacy/hid.c @@ -171,8 +171,10 @@ static int hid_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc;
usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto put; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL;
From: Benjamin Herrenschmidt benh@kernel.crashing.org
[ Upstream commit c93f80849bdd9b45d834053ae1336e28f0026c84 ]
This fixes the core devtree.c functions and the ns16550 UART backend.
Signed-off-by: Benjamin Herrenschmidt benh@kernel.crashing.org Signed-off-by: Paul Mackerras paulus@ozlabs.org Reviewed-by: Segher Boessenkool segher@kernel.crashing.org Acked-by: Nicholas Piggin npiggin@gmail.com Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/YMwXrPT8nc4YUdJ9@thinks.paulus.ozlabs.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/boot/devtree.c | 59 +++++++++++++++++++++---------------- arch/powerpc/boot/ns16550.c | 9 ++++-- 2 files changed, 41 insertions(+), 27 deletions(-)
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index 5d91036ad626..58fbcfcc98c9 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -13,6 +13,7 @@ #include "string.h" #include "stdio.h" #include "ops.h" +#include "of.h"
void dt_fixup_memory(u64 start, u64 size) { @@ -23,21 +24,25 @@ void dt_fixup_memory(u64 start, u64 size) root = finddevice("/"); if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0) naddr = 2; + else + naddr = be32_to_cpu(naddr); if (naddr < 1 || naddr > 2) fatal("Can't cope with #address-cells == %d in /\n\r", naddr);
if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0) nsize = 1; + else + nsize = be32_to_cpu(nsize); if (nsize < 1 || nsize > 2) fatal("Can't cope with #size-cells == %d in /\n\r", nsize);
i = 0; if (naddr == 2) - memreg[i++] = start >> 32; - memreg[i++] = start & 0xffffffff; + memreg[i++] = cpu_to_be32(start >> 32); + memreg[i++] = cpu_to_be32(start & 0xffffffff); if (nsize == 2) - memreg[i++] = size >> 32; - memreg[i++] = size & 0xffffffff; + memreg[i++] = cpu_to_be32(size >> 32); + memreg[i++] = cpu_to_be32(size & 0xffffffff);
memory = finddevice("/memory"); if (! memory) { @@ -45,9 +50,9 @@ void dt_fixup_memory(u64 start, u64 size) setprop_str(memory, "device_type", "memory"); }
- printf("Memory <- <0x%x", memreg[0]); + printf("Memory <- <0x%x", be32_to_cpu(memreg[0])); for (i = 1; i < (naddr + nsize); i++) - printf(" 0x%x", memreg[i]); + printf(" 0x%x", be32_to_cpu(memreg[i])); printf("> (%ldMB)\n\r", (unsigned long)(size >> 20));
setprop(memory, "reg", memreg, (naddr + nsize)*sizeof(u32)); @@ -65,10 +70,10 @@ void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus) printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));
while ((devp = find_node_by_devtype(devp, "cpu"))) { - setprop_val(devp, "clock-frequency", cpu); - setprop_val(devp, "timebase-frequency", tb); + setprop_val(devp, "clock-frequency", cpu_to_be32(cpu)); + setprop_val(devp, "timebase-frequency", cpu_to_be32(tb)); if (bus > 0) - setprop_val(devp, "bus-frequency", bus); + setprop_val(devp, "bus-frequency", cpu_to_be32(bus)); }
timebase_period_ns = 1000000000 / tb; @@ -80,7 +85,7 @@ void dt_fixup_clock(const char *path, u32 freq)
if (devp) { printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq)); - setprop_val(devp, "clock-frequency", freq); + setprop_val(devp, "clock-frequency", cpu_to_be32(freq)); } }
@@ -133,8 +138,12 @@ void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize) { if (getprop(node, "#address-cells", naddr, 4) != 4) *naddr = 2; + else + *naddr = be32_to_cpu(*naddr); if (getprop(node, "#size-cells", nsize, 4) != 4) *nsize = 1; + else + *nsize = be32_to_cpu(*nsize); }
static void copy_val(u32 *dest, u32 *src, int naddr) @@ -163,9 +172,9 @@ static int add_reg(u32 *reg, u32 *add, int naddr) int i, carry = 0;
for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) { - u64 tmp = (u64)reg[i] + add[i] + carry; + u64 tmp = (u64)be32_to_cpu(reg[i]) + be32_to_cpu(add[i]) + carry; carry = tmp >> 32; - reg[i] = (u32)tmp; + reg[i] = cpu_to_be32((u32)tmp); }
return !carry; @@ -180,18 +189,18 @@ static int compare_reg(u32 *reg, u32 *range, u32 *rangesize) u32 end;
for (i = 0; i < MAX_ADDR_CELLS; i++) { - if (reg[i] < range[i]) + if (be32_to_cpu(reg[i]) < be32_to_cpu(range[i])) return 0; - if (reg[i] > range[i]) + if (be32_to_cpu(reg[i]) > be32_to_cpu(range[i])) break; }
for (i = 0; i < MAX_ADDR_CELLS; i++) { - end = range[i] + rangesize[i]; + end = be32_to_cpu(range[i]) + be32_to_cpu(rangesize[i]);
- if (reg[i] < end) + if (be32_to_cpu(reg[i]) < end) break; - if (reg[i] > end) + if (be32_to_cpu(reg[i]) > end) return 0; }
@@ -240,7 +249,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, return 0;
dt_get_reg_format(parent, &naddr, &nsize); - if (nsize > 2) return 0;
@@ -252,10 +260,10 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
copy_val(last_addr, prop_buf + offset, naddr);
- ret_size = prop_buf[offset + naddr]; + ret_size = be32_to_cpu(prop_buf[offset + naddr]); if (nsize == 2) { ret_size <<= 32; - ret_size |= prop_buf[offset + naddr + 1]; + ret_size |= be32_to_cpu(prop_buf[offset + naddr + 1]); }
for (;;) { @@ -278,7 +286,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
offset = find_range(last_addr, prop_buf, prev_naddr, naddr, prev_nsize, buflen / 4); - if (offset < 0) return 0;
@@ -296,8 +303,7 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, if (naddr > 2) return 0;
- ret_addr = ((u64)last_addr[2] << 32) | last_addr[3]; - + ret_addr = ((u64)be32_to_cpu(last_addr[2]) << 32) | be32_to_cpu(last_addr[3]); if (sizeof(void *) == 4 && (ret_addr >= 0x100000000ULL || ret_size > 0x100000000ULL || ret_addr + ret_size > 0x100000000ULL)) @@ -350,11 +356,14 @@ int dt_is_compatible(void *node, const char *compat) int dt_get_virtual_reg(void *node, void **addr, int nres) { unsigned long xaddr; - int n; + int n, i;
n = getprop(node, "virtual-reg", addr, nres * 4); - if (n > 0) + if (n > 0) { + for (i = 0; i < n/4; i ++) + ((u32 *)addr)[i] = be32_to_cpu(((u32 *)addr)[i]); return n / 4; + }
for (n = 0; n < nres; n++) { if (!dt_xlate_reg(node, n, &xaddr, NULL)) diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c index b0da4466d419..f16d2be1d0f3 100644 --- a/arch/powerpc/boot/ns16550.c +++ b/arch/powerpc/boot/ns16550.c @@ -15,6 +15,7 @@ #include "stdio.h" #include "io.h" #include "ops.h" +#include "of.h"
#define UART_DLL 0 /* Out: Divisor Latch Low */ #define UART_DLM 1 /* Out: Divisor Latch High */ @@ -58,16 +59,20 @@ int ns16550_console_init(void *devp, struct serial_console_data *scdp) int n; u32 reg_offset;
- if (dt_get_virtual_reg(devp, (void **)®_base, 1) < 1) + if (dt_get_virtual_reg(devp, (void **)®_base, 1) < 1) { + printf("virt reg parse fail...\r\n"); return -1; + }
n = getprop(devp, "reg-offset", ®_offset, sizeof(reg_offset)); if (n == sizeof(reg_offset)) - reg_base += reg_offset; + reg_base += be32_to_cpu(reg_offset);
n = getprop(devp, "reg-shift", ®_shift, sizeof(reg_shift)); if (n != sizeof(reg_shift)) reg_shift = 0; + else + reg_shift = be32_to_cpu(reg_shift);
scdp->open = ns16550_open; scdp->putc = ns16550_putc;
From: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com
[ Upstream commit 94efd726b947f265bd313605c9f73edec5469d65 ]
Sparse throws the following warnings:
sound/soc/intel/boards/kbl_da7219_max98357a.c:647:25: error: too long initializer-string for array of char(no space for nul char)
Fix by using the 'mx' acronym for Maxim.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Paul Olaru paul.olaru@oss.nxp.com Reviewed-by: Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Link: https://lore.kernel.org/r/20210621194057.21711-6-pierre-louis.bossart@linux.... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/intel/boards/kbl_da7219_max98357a.c | 4 ++-- sound/soc/intel/common/soc-acpi-intel-kbl-match.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/soc/intel/boards/kbl_da7219_max98357a.c b/sound/soc/intel/boards/kbl_da7219_max98357a.c index 537a88932bb6..69362eae65be 100644 --- a/sound/soc/intel/boards/kbl_da7219_max98357a.c +++ b/sound/soc/intel/boards/kbl_da7219_max98357a.c @@ -607,7 +607,7 @@ static int kabylake_audio_probe(struct platform_device *pdev)
static const struct platform_device_id kbl_board_ids[] = { { - .name = "kbl_da7219_max98357a", + .name = "kbl_da7219_mx98357a", .driver_data = (kernel_ulong_t)&kabylake_audio_card_da7219_m98357a, }, @@ -629,4 +629,4 @@ module_platform_driver(kabylake_audio) MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode"); MODULE_AUTHOR("Naveen Manohar naveen.m@intel.com"); MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:kbl_da7219_max98357a"); +MODULE_ALIAS("platform:kbl_da7219_mx98357a"); diff --git a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c index e200baa11011..df7f82e55a5a 100644 --- a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c @@ -113,7 +113,7 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_kbl_machines[] = { }, { .id = "DLGS7219", - .drv_name = "kbl_da7219_max98373", + .drv_name = "kbl_da7219_mx98373", .fw_filename = "intel/dsp_fw_kbl.bin", .machine_quirk = snd_soc_acpi_codec_list, .quirk_data = &kbl_7219_98373_codecs,
From: Uwe Kleine-König u.kleine-koenig@pengutronix.de
[ Upstream commit b9481a667a90ec739995e85f91f3672ca44d6ffa ]
According to <linux/backlight.h> .update_status() is supposed to return 0 on success and a negative error code otherwise. Adapt lm3630a_bank_a_update_status() and lm3630a_bank_b_update_status() to actually do it.
While touching that also add the error code to the failure message.
Signed-off-by: Uwe Kleine-König u.kleine-koenig@pengutronix.de Reviewed-by: Daniel Thompson daniel.thompson@linaro.org Signed-off-by: Lee Jones lee.jones@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/video/backlight/lm3630a_bl.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c index 2d8e8192e4e2..e6d2eea76377 100644 --- a/drivers/video/backlight/lm3630a_bl.c +++ b/drivers/video/backlight/lm3630a_bl.c @@ -188,7 +188,7 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl) if ((pwm_ctrl & LM3630A_PWM_BANK_A) != 0) { lm3630a_pwm_ctrl(pchip, bl->props.brightness, bl->props.max_brightness); - return bl->props.brightness; + return 0; }
/* disable sleep */ @@ -208,8 +208,8 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl) return 0;
out_i2c_err: - dev_err(pchip->dev, "i2c failed to access\n"); - return bl->props.brightness; + dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret)); + return ret; }
static int lm3630a_bank_a_get_brightness(struct backlight_device *bl) @@ -265,7 +265,7 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl) if ((pwm_ctrl & LM3630A_PWM_BANK_B) != 0) { lm3630a_pwm_ctrl(pchip, bl->props.brightness, bl->props.max_brightness); - return bl->props.brightness; + return 0; }
/* disable sleep */ @@ -285,8 +285,8 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl) return 0;
out_i2c_err: - dev_err(pchip->dev, "i2c failed to access REG_CTRL\n"); - return bl->props.brightness; + dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret)); + return ret; }
static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
From: Jiajun Cao jjcao20@fudan.edu.cn
[ Upstream commit 8c13212443230d03ff25014514ec0d53498c0912 ]
The function hda_tegra_first_init() neglects to check the return value after executing platform_get_irq().
hda_tegra_first_init() should check the return value (if negative error number) for errors so as to not pass a negative value to the devm_request_irq().
Fix it by adding a check for the return value irq_id.
Signed-off-by: Jiajun Cao jjcao20@fudan.edu.cn Signed-off-by: Xin Tan tanxin.ctf@gmail.com Reviewed-by: Thierry Reding treding@nvidia.com Link: https://lore.kernel.org/r/20210622131947.94346-1-jjcao20@fudan.edu.cn Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/pci/hda/hda_tegra.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index e378cb33c69d..2971b34c87c1 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -292,6 +292,9 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev) const char *sname, *drv_name = "tegra-hda"; struct device_node *np = pdev->dev.of_node;
+ if (irq_id < 0) + return irq_id; + err = hda_tegra_init_chip(chip, pdev); if (err) return err;
From: "Geoffrey D. Bennett" g@b4.vu
[ Upstream commit c712c6c0ff2d60478582e337185bcdd520a7dc2e ]
There are two headphone outputs, and they map to the four analogue outputs.
Signed-off-by: Geoffrey D. Bennett g@b4.vu Link: https://lore.kernel.org/r/205e5e5348f08ded0cc4da5446f604d4b91db5bf.162429459... Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/usb/mixer_scarlett_gen2.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 8fd1f948a892..ddab4c77a690 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -254,10 +254,10 @@ static const struct scarlett2_device_info s6i6_gen2_info = { .pad_input_count = 2,
.line_out_descrs = { - "Monitor L", - "Monitor R", - "Headphones L", - "Headphones R", + "Headphones 1 L", + "Headphones 1 R", + "Headphones 2 L", + "Headphones 2 R", },
.ports = {
From: Pavel Skripkin paskripkin@gmail.com
[ Upstream commit 9d574f985fe33efd6911f4d752de6f485a1ea732 ]
Avoid passing inode with JFS_SBI(inode->i_sb)->ipimap == NULL to diFree()[1]. GFP will appear:
struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap; struct inomap *imap = JFS_IP(ipimap)->i_imap;
JFS_IP() will return invalid pointer when ipimap == NULL
Call Trace: diFree+0x13d/0x2dc0 fs/jfs/jfs_imap.c:853 [1] jfs_evict_inode+0x2c9/0x370 fs/jfs/inode.c:154 evict+0x2ed/0x750 fs/inode.c:578 iput_final fs/inode.c:1654 [inline] iput.part.0+0x3fe/0x820 fs/inode.c:1680 iput+0x58/0x70 fs/inode.c:1670
Reported-and-tested-by: syzbot+0a89a7b56db04c21a656@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin paskripkin@gmail.com Signed-off-by: Dave Kleikamp dave.kleikamp@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/jfs/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 9486afcdac76..d862cfc3d3a8 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -151,7 +151,8 @@ void jfs_evict_inode(struct inode *inode) if (test_cflag(COMMIT_Freewmap, inode)) jfs_free_zero_link(inode);
- diFree(inode); + if (JFS_SBI(inode->i_sb)->ipimap) + diFree(inode);
/* * Free the inode from the quota allocation.
From: Fabio Aiuto fabioaiuto83@gmail.com
[ Upstream commit 6d490a27e23c5fb79b766530016ab8665169498e ]
fix IQK_Matrix_Settings_NUM macro value to 14 which is the max channel number value allowed in a 2.4Ghz device.
Acked-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Fabio Aiuto fabioaiuto83@gmail.com Link: https://lore.kernel.org/r/0b4a876929949248aa18cb919da3583c65e4ee4e.162436707... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/rtl8723bs/hal/odm.h | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8723bs/hal/odm.h b/drivers/staging/rtl8723bs/hal/odm.h index fba3b9e1491b..ee867621aed9 100644 --- a/drivers/staging/rtl8723bs/hal/odm.h +++ b/drivers/staging/rtl8723bs/hal/odm.h @@ -197,10 +197,7 @@ typedef struct _ODM_RATE_ADAPTIVE {
#define AVG_THERMAL_NUM 8 #define IQK_Matrix_REG_NUM 8 -#define IQK_Matrix_Settings_NUM (14 + 24 + 21) /* Channels_2_4G_NUM - * + Channels_5G_20M_NUM - * + Channels_5G - */ +#define IQK_Matrix_Settings_NUM 14 /* Channels_2_4G_NUM */
#define DM_Type_ByFW 0 #define DM_Type_ByDriver 1
From: Alexander Shishkin alexander.shishkin@linux.intel.com
[ Upstream commit ab1afed701d2db7eb35c1a2526a29067a38e93d1 ]
Some devices don't drain their pipelines if we don't make sure that the corresponding output port is in reset before programming it for a new trace capture, resulting in bits of old trace appearing in the new trace capture. Fix that by explicitly making sure the reset is asserted before programming new trace capture.
Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Signed-off-by: Alexander Shishkin alexander.shishkin@linux.intel.com Link: https://lore.kernel.org/r/20210621151246.31891-5-alexander.shishkin@linux.in... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/hwtracing/intel_th/core.c | 17 +++++++++++++++++ drivers/hwtracing/intel_th/gth.c | 16 ++++++++++++++++ drivers/hwtracing/intel_th/intel_th.h | 3 +++ 3 files changed, 36 insertions(+)
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index c9ac3dc65113..9cb8c7d13d46 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -215,6 +215,22 @@ static ssize_t port_show(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR_RO(port);
+static void intel_th_trace_prepare(struct intel_th_device *thdev) +{ + struct intel_th_device *hub = to_intel_th_hub(thdev); + struct intel_th_driver *hubdrv = to_intel_th_driver(hub->dev.driver); + + if (hub->type != INTEL_TH_SWITCH) + return; + + if (thdev->type != INTEL_TH_OUTPUT) + return; + + pm_runtime_get_sync(&thdev->dev); + hubdrv->prepare(hub, &thdev->output); + pm_runtime_put(&thdev->dev); +} + static int intel_th_output_activate(struct intel_th_device *thdev) { struct intel_th_driver *thdrv = @@ -235,6 +251,7 @@ static int intel_th_output_activate(struct intel_th_device *thdev) if (ret) goto fail_put;
+ intel_th_trace_prepare(thdev); if (thdrv->activate) ret = thdrv->activate(thdev); else diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c index 28509b02a0b5..b3308934a687 100644 --- a/drivers/hwtracing/intel_th/gth.c +++ b/drivers/hwtracing/intel_th/gth.c @@ -564,6 +564,21 @@ static void gth_tscu_resync(struct gth_device *gth) iowrite32(reg, gth->base + REG_TSCU_TSUCTRL); }
+static void intel_th_gth_prepare(struct intel_th_device *thdev, + struct intel_th_output *output) +{ + struct gth_device *gth = dev_get_drvdata(&thdev->dev); + int count; + + /* + * Wait until the output port is in reset before we start + * programming it. + */ + for (count = GTH_PLE_WAITLOOP_DEPTH; + count && !(gth_output_get(gth, output->port) & BIT(5)); count--) + cpu_relax(); +} + /** * intel_th_gth_enable() - enable tracing to an output device * @thdev: GTH device @@ -815,6 +830,7 @@ static struct intel_th_driver intel_th_gth_driver = { .assign = intel_th_gth_assign, .unassign = intel_th_gth_unassign, .set_output = intel_th_gth_set_output, + .prepare = intel_th_gth_prepare, .enable = intel_th_gth_enable, .trig_switch = intel_th_gth_switch, .disable = intel_th_gth_disable, diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h index 5fe694708b7a..595615b79108 100644 --- a/drivers/hwtracing/intel_th/intel_th.h +++ b/drivers/hwtracing/intel_th/intel_th.h @@ -143,6 +143,7 @@ intel_th_output_assigned(struct intel_th_device *thdev) * @remove: remove method * @assign: match a given output type device against available outputs * @unassign: deassociate an output type device from an output port + * @prepare: prepare output port for tracing * @enable: enable tracing for a given output device * @disable: disable tracing for a given output device * @irq: interrupt callback @@ -164,6 +165,8 @@ struct intel_th_driver { struct intel_th_device *othdev); void (*unassign)(struct intel_th_device *thdev, struct intel_th_device *othdev); + void (*prepare)(struct intel_th_device *thdev, + struct intel_th_output *output); void (*enable)(struct intel_th_device *thdev, struct intel_th_output *output); void (*trig_switch)(struct intel_th_device *thdev,
From: Dmitry Torokhov dmitry.torokhov@gmail.com
[ Upstream commit b64210f2f7c11c757432ba3701d88241b2b98fb1 ]
If an i2c client receives an interrupt during reboot or shutdown it may be too late to service it by making an i2c transaction on the bus because the i2c controller has already been shutdown. This can lead to system hangs if the i2c controller tries to make a transfer that is doomed to fail because the access to the i2c pins is already shut down, or an iommu translation has been torn down so i2c controller register access doesn't work.
Let's simply disable the irq if there isn't a shutdown callback for an i2c client when there is an irq associated with the device. This will make sure that irqs don't come in later than the time that we can handle it. We don't do this if the i2c client device already has a shutdown callback because presumably they're doing the right thing and quieting the device so irqs don't come in after the shutdown callback returns.
Reported-by: kernel test robot lkp@intel.com [swboyd@chromium.org: Dropped newline, added commit text, added interrupt.h for robot build error] Signed-off-by: Stephen Boyd swboyd@chromium.org Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Wolfram Sang wsa@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i2c/i2c-core-base.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 840f59650c7c..1b93fae58ec7 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -24,6 +24,7 @@ #include <linux/i2c-smbus.h> #include <linux/idr.h> #include <linux/init.h> +#include <linux/interrupt.h> #include <linux/irqflags.h> #include <linux/jump_label.h> #include <linux/kernel.h> @@ -459,6 +460,8 @@ static void i2c_device_shutdown(struct device *dev) driver = to_i2c_driver(dev->driver); if (driver->shutdown) driver->shutdown(client); + else if (client->irq > 0) + disable_irq(client->irq); }
static void i2c_client_dev_release(struct device *dev)
From: Dimitri John Ledkov dimitri.ledkov@canonical.com
[ Upstream commit 2c484419efc09e7234c667aa72698cb79ba8d8ed ]
lz4 compatible decompressor is simple. The format is underspecified and relies on EOF notification to determine when to stop. Initramfs buffer format[1] explicitly states that it can have arbitrary number of zero padding. Thus when operating without a fill function, be extra careful to ensure that sizes less than 4, or apperantly empty chunksizes are treated as EOF.
To test this I have created two cpio initrds, first a normal one, main.cpio. And second one with just a single /test-file with content "second" second.cpio. Then i compressed both of them with gzip, and with lz4 -l. Then I created a padding of 4 bytes (dd if=/dev/zero of=pad4 bs=1 count=4). To create four testcase initrds:
1) main.cpio.gzip + extra.cpio.gzip = pad0.gzip 2) main.cpio.lz4 + extra.cpio.lz4 = pad0.lz4 3) main.cpio.gzip + pad4 + extra.cpio.gzip = pad4.gzip 4) main.cpio.lz4 + pad4 + extra.cpio.lz4 = pad4.lz4
The pad4 test-cases replicate the initrd load by grub, as it pads and aligns every initrd it loads.
All of the above boot, however /test-file was not accessible in the initrd for the testcase #4, as decoding in lz4 decompressor failed. Also an error message printed which usually is harmless.
Whith a patched kernel, all of the above testcases now pass, and /test-file is accessible.
This fixes lz4 initrd decompress warning on every boot with grub. And more importantly this fixes inability to load multiple lz4 compressed initrds with grub. This patch has been shipping in Ubuntu kernels since January 2021.
[1] ./Documentation/driver-api/early-userspace/buffer-format.rst
BugLink: https://bugs.launchpad.net/bugs/1835660 Link: https://lore.kernel.org/lkml/20210114200256.196589-1-xnox@ubuntu.com/ # v0 Link: https://lkml.kernel.org/r/20210513104831.432975-1-dimitri.ledkov@canonical.c... Signed-off-by: Dimitri John Ledkov dimitri.ledkov@canonical.com Cc: Kyungsik Lee kyungsik.lee@lge.com Cc: Yinghai Lu yinghai@kernel.org Cc: Bongkyu Kim bongkyu.kim@lge.com Cc: Kees Cook keescook@chromium.org Cc: Sven Schmidt 4sschmid@informatik.uni-hamburg.de Cc: Rajat Asthana thisisrast7@gmail.com Cc: Nick Terrell terrelln@fb.com Cc: Gao Xiang hsiangkao@redhat.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- lib/decompress_unlz4.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c index c0cfcfd486be..e6327391b6b6 100644 --- a/lib/decompress_unlz4.c +++ b/lib/decompress_unlz4.c @@ -112,6 +112,9 @@ STATIC inline int INIT unlz4(u8 *input, long in_len, error("data corrupted"); goto exit_2; } + } else if (size < 4) { + /* empty or end-of-file */ + goto exit_3; }
chunksize = get_unaligned_le32(inp); @@ -125,6 +128,10 @@ STATIC inline int INIT unlz4(u8 *input, long in_len, continue; }
+ if (!fill && chunksize == 0) { + /* empty or end-of-file */ + goto exit_3; + }
if (posp) *posp += 4; @@ -184,6 +191,7 @@ STATIC inline int INIT unlz4(u8 *input, long in_len, } }
+exit_3: ret = 0; exit_2: if (!input)
linux-stable-mirror@lists.linaro.org
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Sasha Levin