From: Charles Keepax ckeepax@opensource.cirrus.com
[ Upstream commit 8bf5aabf524eec61013e506f764a0b2652dc5665 ]
The datasheet specifies the range of the mixer volumes as between -51.5dB and 12dB with a 0.5dB step. Update the TLVs for this.
Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20220602162119.3393857-2-ckeepax@opensource.cirrus... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/cs42l52.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c index 0d9c4a57301b..f733f6b42b53 100644 --- a/sound/soc/codecs/cs42l52.c +++ b/sound/soc/codecs/cs42l52.c @@ -141,7 +141,7 @@ static DECLARE_TLV_DB_SCALE(mic_tlv, 1600, 100, 0);
static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
-static DECLARE_TLV_DB_SCALE(mix_tlv, -50, 50, 0); +static DECLARE_TLV_DB_SCALE(mix_tlv, -5150, 50, 0);
static DECLARE_TLV_DB_SCALE(beep_tlv, -56, 200, 0);
@@ -368,7 +368,7 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = { CS42L52_ADCB_VOL, 0, 0xA0, 0x78, ipd_tlv), SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", CS42L52_ADCA_MIXER_VOL, CS42L52_ADCB_MIXER_VOL, - 0, 0x19, 0x7F, ipd_tlv), + 0, 0x19, 0x7F, mix_tlv),
SOC_DOUBLE("ADC Switch", CS42L52_ADC_MISC_CTL, 0, 1, 1, 0),
From: Charles Keepax ckeepax@opensource.cirrus.com
[ Upstream commit 7fbd6dd68127927e844912a16741016d432a0737 ]
This driver specified the maximum value rather than the number of volume levels on the SX controls, this is incorrect, so correct them.
Reported-by: David Rhodes david.rhodes@cirrus.com Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20220602162119.3393857-4-ckeepax@opensource.cirrus... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/cs53l30.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c index c7edf2df5e36..f30807b3705d 100644 --- a/sound/soc/codecs/cs53l30.c +++ b/sound/soc/codecs/cs53l30.c @@ -351,22 +351,22 @@ static const struct snd_kcontrol_new cs53l30_snd_controls[] = { SOC_ENUM("ADC2 NG Delay", adc2_ng_delay_enum),
SOC_SINGLE_SX_TLV("ADC1A PGA Volume", - CS53L30_ADC1A_AFE_CTL, 0, 0x34, 0x18, pga_tlv), + CS53L30_ADC1A_AFE_CTL, 0, 0x34, 0x24, pga_tlv), SOC_SINGLE_SX_TLV("ADC1B PGA Volume", - CS53L30_ADC1B_AFE_CTL, 0, 0x34, 0x18, pga_tlv), + CS53L30_ADC1B_AFE_CTL, 0, 0x34, 0x24, pga_tlv), SOC_SINGLE_SX_TLV("ADC2A PGA Volume", - CS53L30_ADC2A_AFE_CTL, 0, 0x34, 0x18, pga_tlv), + CS53L30_ADC2A_AFE_CTL, 0, 0x34, 0x24, pga_tlv), SOC_SINGLE_SX_TLV("ADC2B PGA Volume", - CS53L30_ADC2B_AFE_CTL, 0, 0x34, 0x18, pga_tlv), + CS53L30_ADC2B_AFE_CTL, 0, 0x34, 0x24, pga_tlv),
SOC_SINGLE_SX_TLV("ADC1A Digital Volume", - CS53L30_ADC1A_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv), + CS53L30_ADC1A_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), SOC_SINGLE_SX_TLV("ADC1B Digital Volume", - CS53L30_ADC1B_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv), + CS53L30_ADC1B_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), SOC_SINGLE_SX_TLV("ADC2A Digital Volume", - CS53L30_ADC2A_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv), + CS53L30_ADC2A_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), SOC_SINGLE_SX_TLV("ADC2B Digital Volume", - CS53L30_ADC2B_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv), + CS53L30_ADC2B_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), };
static const struct snd_soc_dapm_widget cs53l30_dapm_widgets[] = {
From: Charles Keepax ckeepax@opensource.cirrus.com
[ Upstream commit 91e90c712fade0b69cdff7cc6512f6099bd18ae5 ]
The Bypass Volume is accidentally using a -6dB minimum TLV rather than the correct -60dB minimum. Add a new TLV to correct this.
Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20220602162119.3393857-5-ckeepax@opensource.cirrus... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/cs42l52.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c index f733f6b42b53..47f2439fd7b0 100644 --- a/sound/soc/codecs/cs42l52.c +++ b/sound/soc/codecs/cs42l52.c @@ -141,6 +141,8 @@ static DECLARE_TLV_DB_SCALE(mic_tlv, 1600, 100, 0);
static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
+static DECLARE_TLV_DB_SCALE(pass_tlv, -6000, 50, 0); + static DECLARE_TLV_DB_SCALE(mix_tlv, -5150, 50, 0);
static DECLARE_TLV_DB_SCALE(beep_tlv, -56, 200, 0); @@ -355,7 +357,7 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = { CS42L52_SPKB_VOL, 0, 0x40, 0xC0, hl_tlv),
SOC_DOUBLE_R_SX_TLV("Bypass Volume", CS42L52_PASSTHRUA_VOL, - CS42L52_PASSTHRUB_VOL, 0, 0x88, 0x90, pga_tlv), + CS42L52_PASSTHRUB_VOL, 0, 0x88, 0x90, pass_tlv),
SOC_DOUBLE("Bypass Mute", CS42L52_MISC_CTL, 4, 5, 1, 0),
From: Charles Keepax ckeepax@opensource.cirrus.com
[ Upstream commit a8928ada9b96944cadd8b65d191e33199fd38782 ]
A couple of the SX volume controls specify 0x84 as the lowest volume value, however the correct value from the datasheet is 0x44. The datasheet don't include spaces in the value it displays as binary so this was almost certainly just a typo reading 1000100.
Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20220602162119.3393857-6-ckeepax@opensource.cirrus... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/cs42l56.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c index 52858b6c95a6..9274b52edc44 100644 --- a/sound/soc/codecs/cs42l56.c +++ b/sound/soc/codecs/cs42l56.c @@ -403,9 +403,9 @@ static const struct snd_kcontrol_new cs42l56_snd_controls[] = { SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1),
SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME, - CS42L56_HPB_VOLUME, 0, 0x84, 0x48, hl_tlv), + CS42L56_HPB_VOLUME, 0, 0x44, 0x48, hl_tlv), SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME, - CS42L56_LOB_VOLUME, 0, 0x84, 0x48, hl_tlv), + CS42L56_LOB_VOLUME, 0, 0x44, 0x48, hl_tlv),
SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL, 0, 0x00, 1, tone_tlv),
From: Sergey Shtylyov s.shtylyov@omp.ru
[ Upstream commit bf476fe22aa1851bab4728e0c49025a6a0bea307 ]
In an unlikely (and probably wrong?) case that the 'ppi' parameter of ata_host_alloc_pinfo() points to an array starting with a NULL pointer, there's going to be a kernel oops as the 'pi' local variable won't get reassigned from the initial value of NULL. Initialize 'pi' instead to '&ata_dummy_port_info' to fix the possible kernel oops for good...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
Signed-off-by: Sergey Shtylyov s.shtylyov@omp.ru Signed-off-by: Damien Le Moal damien.lemoal@opensource.wdc.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/ata/libata-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d3a7b3bb5043..08dc37a62f5a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6180,7 +6180,7 @@ struct ata_host *ata_host_alloc_pinfo(struct device *dev, const struct ata_port_info * const * ppi, int n_ports) { - const struct ata_port_info *pi; + const struct ata_port_info *pi = &ata_dummy_port_info; struct ata_host *host; int i, j;
@@ -6188,7 +6188,7 @@ struct ata_host *ata_host_alloc_pinfo(struct device *dev, if (!host) return NULL;
- for (i = 0, j = 0, pi = NULL; i < host->n_ports; i++) { + for (i = 0, j = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i];
if (ppi[j])
From: Adam Ford aford173@gmail.com
[ Upstream commit d1f5272c0f7d2e53c6f2480f46725442776f5f78 ]
If the audio CODEC is playing sound when the system is suspended, it can be left in a state which throws the following error:
wm8962 3-001a: ASoC: error at soc_component_read_no_lock on wm8962.3-001a: -16
Once this error has occurred, the audio will not work again until rebooted.
Fix this by configuring SET_SYSTEM_SLEEP_PM_OPS.
Signed-off-by: Adam Ford aford173@gmail.com Acked-by: Charles Keepax ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20220526182129.538472-1-aford173@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/wm8962.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 0e8008d38161..d46881f96c16 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3861,6 +3861,7 @@ static int wm8962_runtime_suspend(struct device *dev) #endif
static const struct dev_pm_ops wm8962_pm = { + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) SET_RUNTIME_PM_OPS(wm8962_runtime_suspend, wm8962_runtime_resume, NULL) };
From: Wentao Wang wwentao@vmware.com
[ Upstream commit cf71d59c2eceadfcde0fb52e237990a0909880d7 ]
vcpuHint has been expanded to 16 bit on host to enable routing to more CPUs. Guest side should align with the change. This change has been tested with hosts with 8-bit and 16-bit vcpuHint, on both platforms host side can get correct value.
Link: https://lore.kernel.org/r/EF35F4D5-5DCC-42C5-BCC4-29DF1729B24C@vmware.com Signed-off-by: Wentao Wang wwentao@vmware.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/vmw_pvscsi.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/vmw_pvscsi.h b/drivers/scsi/vmw_pvscsi.h index 75966d3f326e..d87c12324c03 100644 --- a/drivers/scsi/vmw_pvscsi.h +++ b/drivers/scsi/vmw_pvscsi.h @@ -333,8 +333,8 @@ struct PVSCSIRingReqDesc { u8 tag; u8 bus; u8 target; - u8 vcpuHint; - u8 unused[59]; + u16 vcpuHint; + u8 unused[58]; } __packed;
/*
From: James Smart jsmart2021@gmail.com
[ Upstream commit 336d63615466b4c06b9401c987813fd19bdde39b ]
After issuing a LIP, a specific target vendor does not ACC the FLOGI that lpfc sends. However, it does send its own FLOGI that lpfc ACCs. The target then establishes the port IDs by sending a PLOGI. lpfc PLOGI_ACCs and starts the RPI registration for DID 0x000001. The target then sends a LOGO to the fabric DID. lpfc is currently treating the LOGO from the fabric DID as a link down and cleans up all the ndlps. The ndlp for DID 0x000001 is put back into NPR and discovery stops, leaving the port in stuck in bypassed mode.
Change lpfc behavior such that if a LOGO is received for the fabric DID in PT2PT topology skip the lpfc_linkdown_port() routine and just move the fabric DID back to NPR.
Link: https://lore.kernel.org/r/20220603174329.63777-7-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_nportdisc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index da6685700b04..70733d751bb8 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -662,7 +662,8 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, else lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); if (ndlp->nlp_DID == Fabric_DID) { - if (vport->port_state <= LPFC_FDISC) + if (vport->port_state <= LPFC_FDISC || + vport->fc_flag & FC_PT2PT) goto out; lpfc_linkdown_port(vport); spin_lock_irq(shost->host_lock);
From: Chengguang Xu cgxu519@mykernel.net
[ Upstream commit d64c491911322af1dcada98e5b9ee0d87e8c8fee ]
Fix missing resource cleanup (when '(--i) == 0') for error case in ipr_alloc_mem() and skip incorrect resource cleanup (when '(--i) == 0') for error case in ipr_request_other_msi_irqs() because variable i started from 1.
Link: https://lore.kernel.org/r/20220529153456.4183738-4-cgxu519@mykernel.net Reviewed-by: Dan Carpenter dan.carpenter@oracle.com Acked-by: Brian King brking@linux.vnet.ibm.com Signed-off-by: Chengguang Xu cgxu519@mykernel.net Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/ipr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index b172f0a02083..99b37e19feca 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -9788,7 +9788,7 @@ static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) GFP_KERNEL);
if (!ioa_cfg->hrrq[i].host_rrq) { - while (--i > 0) + while (--i >= 0) dma_free_coherent(&pdev->dev, sizeof(u32) * ioa_cfg->hrrq[i].size, ioa_cfg->hrrq[i].host_rrq, @@ -10060,7 +10060,7 @@ static int ipr_request_other_msi_irqs(struct ipr_ioa_cfg *ioa_cfg, ioa_cfg->vectors_info[i].desc, &ioa_cfg->hrrq[i]); if (rc) { - while (--i >= 0) + while (--i > 0) free_irq(pci_irq_vector(pdev, i), &ioa_cfg->hrrq[i]); return rc;
From: Chengguang Xu cgxu519@mykernel.net
[ Upstream commit ec1e8adcbdf661c57c395bca342945f4f815add7 ]
Fix missing resource cleanup (when '(--i) == 0') for error case in pmcraid_register_interrupt_handler().
Link: https://lore.kernel.org/r/20220529153456.4183738-6-cgxu519@mykernel.net Reviewed-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Chengguang Xu cgxu519@mykernel.net Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/pmcraid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index b4d6cd8cd1ad..d27ae937ff68 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4601,7 +4601,7 @@ pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance) return 0;
out_unwind: - while (--i > 0) + while (--i >= 0) free_irq(pci_irq_vector(pdev, i), &pinstance->hrrq_vector[i]); pci_free_irq_vectors(pdev); return rc;
From: chengkaitao pilgrimtao@gmail.com
[ Upstream commit a58a7f97ba11391d2d0d408e0b24f38d86ae748e ]
The reference must be released when device_register(&vm_cmdline_parent) failed. Add the corresponding 'put_device()' in the error handling path.
Signed-off-by: chengkaitao pilgrimtao@gmail.com Message-Id: 20220602005542.16489-1-chengkaitao@didiglobal.com Signed-off-by: Michael S. Tsirkin mst@redhat.com Acked-by: Jason Wang jasowang@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/virtio/virtio_mmio.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 74dc7170fd35..181386e06cb7 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -635,6 +635,7 @@ static int vm_cmdline_set(const char *device, if (!vm_cmdline_parent_registered) { err = device_register(&vm_cmdline_parent); if (err) { + put_device(&vm_cmdline_parent); pr_err("Failed to register parent device!\n"); return err; }
From: Xiaohui Zhang xiaohuizhang@ruc.edu.cn
[ Upstream commit 8a4d480702b71184fabcf379b80bf7539716752e ]
Similar to the handling of play_deferred in commit 19cfe912c37b ("Bluetooth: btusb: Fix memory leak in play_deferred"), we thought a patch might be needed here as well.
Currently usb_submit_urb is called directly to submit deferred tx urbs after unanchor them.
So the usb_giveback_urb_bh would failed to unref it in usb_unanchor_urb and cause memory leak.
Put those urbs in tx_anchor to avoid the leak, and also fix the error handling.
Signed-off-by: Xiaohui Zhang xiaohuizhang@ruc.edu.cn Acked-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Link: https://lore.kernel.org/r/20220607083230.6182-1-xiaohuizhang@ruc.edu.cn Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/nfc/nfcmrvl/usb.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/nfc/nfcmrvl/usb.c b/drivers/nfc/nfcmrvl/usb.c index deb953290f8f..e88147c47c17 100644 --- a/drivers/nfc/nfcmrvl/usb.c +++ b/drivers/nfc/nfcmrvl/usb.c @@ -400,13 +400,25 @@ static void nfcmrvl_play_deferred(struct nfcmrvl_usb_drv_data *drv_data) int err;
while ((urb = usb_get_from_anchor(&drv_data->deferred))) { + usb_anchor_urb(urb, &drv_data->tx_anchor); + err = usb_submit_urb(urb, GFP_ATOMIC); - if (err) + if (err) { + kfree(urb->setup_packet); + usb_unanchor_urb(urb); + usb_free_urb(urb); break; + }
drv_data->tx_in_flight++; + usb_free_urb(urb); + } + + /* Cleanup the rest deferred urbs. */ + while ((urb = usb_get_from_anchor(&drv_data->deferred))) { + kfree(urb->setup_packet); + usb_free_urb(urb); } - usb_scuttle_anchored_urbs(&drv_data->deferred); }
static int nfcmrvl_resume(struct usb_interface *intf)
From: Wang Yufen wangyufen@huawei.com
[ Upstream commit f638a84afef3dfe10554c51820c16e39a278c915 ]
When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be overflow. To fix, we can follow what udpv6 does and subtract the transhdrlen from the max.
Signed-off-by: Wang Yufen wangyufen@huawei.com Link: https://lore.kernel.org/r/20220607120028.845916-2-wangyufen@huawei.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- net/l2tp/l2tp_ip6.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 9c4670fb29d7..7b0963712c22 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -526,14 +526,15 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) struct ipcm6_cookie ipc6; int addr_len = msg->msg_namelen; int transhdrlen = 4; /* zero session-id */ - int ulen = len + transhdrlen; + int ulen; int err;
/* Rough check on arithmetic overflow, better check is made in ip6_append_data(). */ - if (len > INT_MAX) + if (len > INT_MAX - transhdrlen) return -EMSGSIZE; + ulen = len + transhdrlen;
/* Mirror BSD error message compatibility */ if (msg->msg_flags & MSG_OOB)
From: Chen Lin chen45464546@163.com
[ Upstream commit 2f2c0d2919a14002760f89f4e02960c735a316d2 ]
When rx_flag == MTK_RX_FLAGS_HWLRO, rx_data_len = MTK_MAX_LRO_RX_LENGTH(4096 * 3) > PAGE_SIZE. netdev_alloc_frag is for alloction of page fragment only. Reference to other drivers and Documentation/vm/page_frags.rst
Branch to use __get_free_pages when ring->frag_size > PAGE_SIZE.
Signed-off-by: Chen Lin chen45464546@163.com Link: https://lore.kernel.org/r/1654692413-2598-1-git-send-email-chen45464546@163.... Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index dbd16dd5aa04..5fc6f4fd0f26 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -596,6 +596,17 @@ static inline void mtk_rx_get_desc(struct mtk_rx_dma *rxd, rxd->rxd4 = READ_ONCE(dma_rxd->rxd4); }
+static void *mtk_max_lro_buf_alloc(gfp_t gfp_mask) +{ + unsigned int size = mtk_max_frag_size(MTK_MAX_LRO_RX_LENGTH); + unsigned long data; + + data = __get_free_pages(gfp_mask | __GFP_COMP | __GFP_NOWARN, + get_order(size)); + + return (void *)data; +} + /* the qdma core needs scratch memory to be setup */ static int mtk_init_fq_dma(struct mtk_eth *eth) { @@ -1005,7 +1016,10 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, goto release_desc;
/* alloc new buffer */ - new_data = napi_alloc_frag(ring->frag_size); + if (ring->frag_size <= PAGE_SIZE) + new_data = napi_alloc_frag(ring->frag_size); + else + new_data = mtk_max_lro_buf_alloc(GFP_ATOMIC); if (unlikely(!new_data)) { netdev->stats.rx_dropped++; goto release_desc; @@ -1315,7 +1329,10 @@ static int mtk_rx_alloc(struct mtk_eth *eth, int ring_no, int rx_flag) return -ENOMEM;
for (i = 0; i < rx_dma_size; i++) { - ring->data[i] = netdev_alloc_frag(ring->frag_size); + if (ring->frag_size <= PAGE_SIZE) + ring->data[i] = netdev_alloc_frag(ring->frag_size); + else + ring->data[i] = mtk_max_lro_buf_alloc(GFP_KERNEL); if (!ring->data[i]) return -ENOMEM; }
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