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FAILED: patch "[PATCH] mptcp: pm: ignore unknown endpoint flags" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

1 day, 14 hours

FAILED: patch "[PATCH] mptcp: pm: ignore unknown endpoint flags" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 0ace3297a7301911e52d8195cb1006414897c859 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025122922-cedar-reapply-f9d1@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 0ace3297a7301911e52d8195cb1006414897c859 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" <matttbe(a)kernel.org> Date: Fri, 5 Dec 2025 19:55:14 +0100 Subject: [PATCH] mptcp: pm: ignore unknown endpoint flags Before this patch, the kernel was saving any flags set by the userspace, even unknown ones. This doesn't cause critical issues because the kernel is only looking at specific ones. But on the other hand, endpoints dumps could tell the userspace some recent flags seem to be supported on older kernel versions. Instead, ignore all unknown flags when parsing them. By doing that, the userspace can continue to set unsupported flags, but it has a way to verify what is supported by the kernel. Note that it sounds better to continue accepting unsupported flags not to change the behaviour, but also that eases things on the userspace side by adding "optional" endpoint types only supported by newer kernel versions without having to deal with the different kernel versions. A note for the backports: there will be conflicts in mptcp.h on older versions not having the mentioned flags, the new line should still be added last, and the '5' needs to be adapted to have the same value as the last entry. Fixes: 01cacb00b35c ("mptcp: add netlink-based PM") Cc: stable(a)vger.kernel.org Reviewed-by: Mat Martineau <martineau(a)kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe(a)kernel.org> Link: https://patch.msgid.link/20251205-net-mptcp-misc-fixes-6-19-rc1-v1-1-9e4781… Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h index 04eea6d1d0a9..72a5d030154e 100644 --- a/include/uapi/linux/mptcp.h +++ b/include/uapi/linux/mptcp.h @@ -40,6 +40,7 @@ #define MPTCP_PM_ADDR_FLAG_FULLMESH _BITUL(3) #define MPTCP_PM_ADDR_FLAG_IMPLICIT _BITUL(4) #define MPTCP_PM_ADDR_FLAG_LAMINAR _BITUL(5) +#define MPTCP_PM_ADDR_FLAGS_MASK GENMASK(5, 0) struct mptcp_info { __u8 mptcpi_subflows; diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index d5b383870f79..7aa42de9c47b 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -119,7 +119,8 @@ int mptcp_pm_parse_entry(struct nlattr *attr, struct genl_info *info, } if (tb[MPTCP_PM_ADDR_ATTR_FLAGS]) - entry->flags = nla_get_u32(tb[MPTCP_PM_ADDR_ATTR_FLAGS]); + entry->flags = nla_get_u32(tb[MPTCP_PM_ADDR_ATTR_FLAGS]) & + MPTCP_PM_ADDR_FLAGS_MASK; if (tb[MPTCP_PM_ADDR_ATTR_PORT]) entry->addr.port = htons(nla_get_u16(tb[MPTCP_PM_ADDR_ATTR_PORT]));

1 day, 14 hours

FAILED: patch "[PATCH] usb: ohci-nxp: fix device leak on probe failure" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x b4c61e542faf8c9131d69ecfc3ad6de96d1b2ab8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025122927-preppy-grab-bb17@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From b4c61e542faf8c9131d69ecfc3ad6de96d1b2ab8 Mon Sep 17 00:00:00 2001 From: Johan Hovold <johan(a)kernel.org> Date: Thu, 18 Dec 2025 16:35:17 +0100 Subject: [PATCH] usb: ohci-nxp: fix device leak on probe failure Make sure to drop the reference taken when looking up the PHY I2C device during probe on probe failure (e.g. probe deferral) and on driver unbind. Fixes: 73108aa90cbf ("USB: ohci-nxp: Use isp1301 driver") Cc: stable(a)vger.kernel.org # 3.5 Reported-by: Ma Ke <make24(a)iscas.ac.cn> Link: https://lore.kernel.org/lkml/20251117013428.21840-1-make24@iscas.ac.cn/ Signed-off-by: Johan Hovold <johan(a)kernel.org> Acked-by: Alan Stern <stern(a)rowland.harvard.edu> Reviewed-by: Vladimir Zapolskiy <vz(a)mleia.com> Link: https://patch.msgid.link/20251218153519.19453-4-johan@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index 24d5a1dc5056..509ca7d8d513 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -223,6 +223,7 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev) fail_resource: usb_put_hcd(hcd); fail_disable: + put_device(&isp1301_i2c_client->dev); isp1301_i2c_client = NULL; return ret; } @@ -234,6 +235,7 @@ static void ohci_hcd_nxp_remove(struct platform_device *pdev) usb_remove_hcd(hcd); ohci_nxp_stop_hc(); usb_put_hcd(hcd); + put_device(&isp1301_i2c_client->dev); isp1301_i2c_client = NULL; }

1 day, 14 hours

FAILED: patch "[PATCH] usb: ohci-nxp: fix device leak on probe failure" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x b4c61e542faf8c9131d69ecfc3ad6de96d1b2ab8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025122927-swiftly-press-a51f@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From b4c61e542faf8c9131d69ecfc3ad6de96d1b2ab8 Mon Sep 17 00:00:00 2001 From: Johan Hovold <johan(a)kernel.org> Date: Thu, 18 Dec 2025 16:35:17 +0100 Subject: [PATCH] usb: ohci-nxp: fix device leak on probe failure Make sure to drop the reference taken when looking up the PHY I2C device during probe on probe failure (e.g. probe deferral) and on driver unbind. Fixes: 73108aa90cbf ("USB: ohci-nxp: Use isp1301 driver") Cc: stable(a)vger.kernel.org # 3.5 Reported-by: Ma Ke <make24(a)iscas.ac.cn> Link: https://lore.kernel.org/lkml/20251117013428.21840-1-make24@iscas.ac.cn/ Signed-off-by: Johan Hovold <johan(a)kernel.org> Acked-by: Alan Stern <stern(a)rowland.harvard.edu> Reviewed-by: Vladimir Zapolskiy <vz(a)mleia.com> Link: https://patch.msgid.link/20251218153519.19453-4-johan@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index 24d5a1dc5056..509ca7d8d513 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -223,6 +223,7 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev) fail_resource: usb_put_hcd(hcd); fail_disable: + put_device(&isp1301_i2c_client->dev); isp1301_i2c_client = NULL; return ret; } @@ -234,6 +235,7 @@ static void ohci_hcd_nxp_remove(struct platform_device *pdev) usb_remove_hcd(hcd); ohci_nxp_stop_hc(); usb_put_hcd(hcd); + put_device(&isp1301_i2c_client->dev); isp1301_i2c_client = NULL; }

1 day, 15 hours

FAILED: patch "[PATCH] usb: ohci-nxp: fix device leak on probe failure" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

1 day, 15 hours

[PATCH AUTOSEL 6.18-6.12] spi: cadence-quadspi: Prevent lost complete() call during indirect read

by Sasha Levin

From: Mateusz Litwin <mateusz.litwin(a)nokia.com> [ Upstream commit d67396c9d697041b385d70ff2fd59cb07ae167e8 ] A race condition exists between the read loop and IRQ `complete()` call. An interrupt could call the complete() between the inner loop and reinit_completion(), potentially losing the completion event and causing an unnecessary timeout. Moving reinit_completion() before the loop prevents this. A premature signal will only result in a spurious wakeup and another wait cycle, which is preferable to waiting for a timeout. Signed-off-by: Mateusz Litwin <mateusz.litwin(a)nokia.com> Link: https://patch.msgid.link/20251218-cqspi_indirect_read_improve-v2-1-39607997… Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- LLM Generated explanations, may be completely bogus: ### Summary **Pros for backporting:** 1. ✅ Fixes a genuine race condition causing timeouts 2. ✅ Small, surgical fix (< 10 lines changed) 3. ✅ Logic is obviously correct and well-explained 4. ✅ Low risk - worst case is benign spurious wakeup 5. ✅ Reviewed by subsystem maintainer (Mark Brown) 6. ✅ No dependencies on other commits 7. ✅ Driver has been in the kernel since 2020, exists in all active stable trees 8. ✅ From a reputable source (Nokia) dealing with real hardware **Cons:** - None significant. The absence of explicit Fixes:/Cc: stable tags is expected for commits under manual review. ### Risk vs Benefit - **Risk**: Very low - the change is simple, localized, and mathematically correct - **Benefit**: Prevents user-visible timeouts during SPI read operations on affected hardware This commit is an excellent candidate for stable backporting. It fixes a real race condition bug with a small, obvious, and low-risk change. The fix has been reviewed by the SPI maintainer and addresses real hardware issues without introducing new features or significant complexity. **YES** drivers/spi/spi-cadence-quadspi.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index af6d050da1c8..695dbf7142d1 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -769,6 +769,7 @@ static int cqspi_indirect_read_execute(struct cqspi_flash_pdata *f_pdata, readl(reg_base + CQSPI_REG_INDIRECTRD); /* Flush posted write. */ while (remaining > 0) { + ret = 0; if (use_irq && !wait_for_completion_timeout(&cqspi->transfer_complete, msecs_to_jiffies(CQSPI_READ_TIMEOUT_MS))) @@ -781,6 +782,14 @@ static int cqspi_indirect_read_execute(struct cqspi_flash_pdata *f_pdata, if (cqspi->slow_sram) writel(0x0, reg_base + CQSPI_REG_IRQMASK); + /* + * Prevent lost interrupt and race condition by reinitializing early. + * A spurious wakeup and another wait cycle can occur here, + * which is preferable to waiting until timeout if interrupt is lost. + */ + if (use_irq) + reinit_completion(&cqspi->transfer_complete); + bytes_to_read = cqspi_get_rd_sram_level(cqspi); if (ret && bytes_to_read == 0) { @@ -813,7 +822,6 @@ static int cqspi_indirect_read_execute(struct cqspi_flash_pdata *f_pdata, } if (use_irq && remaining > 0) { - reinit_completion(&cqspi->transfer_complete); if (cqspi->slow_sram) writel(CQSPI_REG_IRQ_WATERMARK, reg_base + CQSPI_REG_IRQMASK); } -- 2.51.0

1 day, 15 hours

FAILED: patch "[PATCH] mptcp: pm: ignore unknown endpoint flags" failed to apply to 6.12-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x 0ace3297a7301911e52d8195cb1006414897c859 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025122921-regress-overhand-2900@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 0ace3297a7301911e52d8195cb1006414897c859 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" <matttbe(a)kernel.org> Date: Fri, 5 Dec 2025 19:55:14 +0100 Subject: [PATCH] mptcp: pm: ignore unknown endpoint flags Before this patch, the kernel was saving any flags set by the userspace, even unknown ones. This doesn't cause critical issues because the kernel is only looking at specific ones. But on the other hand, endpoints dumps could tell the userspace some recent flags seem to be supported on older kernel versions. Instead, ignore all unknown flags when parsing them. By doing that, the userspace can continue to set unsupported flags, but it has a way to verify what is supported by the kernel. Note that it sounds better to continue accepting unsupported flags not to change the behaviour, but also that eases things on the userspace side by adding "optional" endpoint types only supported by newer kernel versions without having to deal with the different kernel versions. A note for the backports: there will be conflicts in mptcp.h on older versions not having the mentioned flags, the new line should still be added last, and the '5' needs to be adapted to have the same value as the last entry. Fixes: 01cacb00b35c ("mptcp: add netlink-based PM") Cc: stable(a)vger.kernel.org Reviewed-by: Mat Martineau <martineau(a)kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe(a)kernel.org> Link: https://patch.msgid.link/20251205-net-mptcp-misc-fixes-6-19-rc1-v1-1-9e4781… Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h index 04eea6d1d0a9..72a5d030154e 100644 --- a/include/uapi/linux/mptcp.h +++ b/include/uapi/linux/mptcp.h @@ -40,6 +40,7 @@ #define MPTCP_PM_ADDR_FLAG_FULLMESH _BITUL(3) #define MPTCP_PM_ADDR_FLAG_IMPLICIT _BITUL(4) #define MPTCP_PM_ADDR_FLAG_LAMINAR _BITUL(5) +#define MPTCP_PM_ADDR_FLAGS_MASK GENMASK(5, 0) struct mptcp_info { __u8 mptcpi_subflows; diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index d5b383870f79..7aa42de9c47b 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -119,7 +119,8 @@ int mptcp_pm_parse_entry(struct nlattr *attr, struct genl_info *info, } if (tb[MPTCP_PM_ADDR_ATTR_FLAGS]) - entry->flags = nla_get_u32(tb[MPTCP_PM_ADDR_ATTR_FLAGS]); + entry->flags = nla_get_u32(tb[MPTCP_PM_ADDR_ATTR_FLAGS]) & + MPTCP_PM_ADDR_FLAGS_MASK; if (tb[MPTCP_PM_ADDR_ATTR_PORT]) entry->addr.port = htons(nla_get_u16(tb[MPTCP_PM_ADDR_ATTR_PORT]));

1 day, 15 hours

FAILED: patch "[PATCH] mptcp: avoid deadlock on fallback while reinjecting" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x ffb8c27b0539dd90262d1021488e7817fae57c42 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025122942-stonework-habitant-a877@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From ffb8c27b0539dd90262d1021488e7817fae57c42 Mon Sep 17 00:00:00 2001 From: Paolo Abeni <pabeni(a)redhat.com> Date: Fri, 5 Dec 2025 19:55:17 +0100 Subject: [PATCH] mptcp: avoid deadlock on fallback while reinjecting Jakub reported an MPTCP deadlock at fallback time: WARNING: possible recursive locking detected 6.18.0-rc7-virtme #1 Not tainted -------------------------------------------- mptcp_connect/20858 is trying to acquire lock: ff1100001da18b60 (&msk->fallback_lock){+.-.}-{3:3}, at: __mptcp_try_fallback+0xd8/0x280 but task is already holding lock: ff1100001da18b60 (&msk->fallback_lock){+.-.}-{3:3}, at: __mptcp_retrans+0x352/0xaa0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&msk->fallback_lock); lock(&msk->fallback_lock); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by mptcp_connect/20858: #0: ff1100001da18290 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg+0x114/0x1bc0 #1: ff1100001db40fd0 (k-sk_lock-AF_INET#2){+.+.}-{0:0}, at: __mptcp_retrans+0x2cb/0xaa0 #2: ff1100001da18b60 (&msk->fallback_lock){+.-.}-{3:3}, at: __mptcp_retrans+0x352/0xaa0 stack backtrace: CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Not tainted 6.18.0-rc7-virtme #1 PREEMPT(full) Hardware name: Bochs, BIOS Bochs 01/01/2011 Call Trace: <TASK> dump_stack_lvl+0x6f/0xa0 print_deadlock_bug.cold+0xc0/0xcd validate_chain+0x2ff/0x5f0 __lock_acquire+0x34c/0x740 lock_acquire.part.0+0xbc/0x260 _raw_spin_lock_bh+0x38/0x50 __mptcp_try_fallback+0xd8/0x280 mptcp_sendmsg_frag+0x16c2/0x3050 __mptcp_retrans+0x421/0xaa0 mptcp_release_cb+0x5aa/0xa70 release_sock+0xab/0x1d0 mptcp_sendmsg+0xd5b/0x1bc0 sock_write_iter+0x281/0x4d0 new_sync_write+0x3c5/0x6f0 vfs_write+0x65e/0xbb0 ksys_write+0x17e/0x200 do_syscall_64+0xbb/0xfd0 entry_SYSCALL_64_after_hwframe+0x4b/0x53 RIP: 0033:0x7fa5627cbc5e Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c The packet scheduler could attempt a reinjection after receiving an MP_FAIL and before the infinite map has been transmitted, causing a deadlock since MPTCP needs to do the reinjection atomically from WRT fallback. Address the issue explicitly avoiding the reinjection in the critical scenario. Note that this is the only fallback critical section that could potentially send packets and hit the double-lock. Reported-by: Jakub Kicinski <kuba(a)kernel.org> Closes: https://netdev-ctrl.bots.linux.dev/logs/vmksft/mptcp-dbg/results/412720/1-m… Fixes: f8a1d9b18c5e ("mptcp: make fallback action and fallback decision atomic") Cc: stable(a)vger.kernel.org Signed-off-by: Paolo Abeni <pabeni(a)redhat.com> Reviewed-by: Matthieu Baerts (NGI0) <matttbe(a)kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe(a)kernel.org> Link: https://patch.msgid.link/20251205-net-mptcp-misc-fixes-6-19-rc1-v1-4-9e4781… Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index d8a7f7029164..9b1fafd87cb9 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2769,10 +2769,13 @@ static void __mptcp_retrans(struct sock *sk) /* * make the whole retrans decision, xmit, disallow - * fallback atomic + * fallback atomic, note that we can't retrans even + * when an infinite fallback is in progress, i.e. new + * subflows are disallowed. */ spin_lock_bh(&msk->fallback_lock); - if (__mptcp_check_fallback(msk)) { + if (__mptcp_check_fallback(msk) || + !msk->allow_subflows) { spin_unlock_bh(&msk->fallback_lock); release_sock(ssk); goto clear_scheduled;

1 day, 15 hours

FAILED: patch "[PATCH] usb: ohci-nxp: fix device leak on probe failure" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

1 day, 15 hours

[PATCH] RDMA/bnxt_re: fix dma_free_coherent() pointer

by Thomas Fourier

The dma_alloc_coherent() allocates a dma-mapped buffer, pbl->pg_arr[i]. The dma_free_coherent() should pass the same buffer to dma_free_coherent() and not page-aligned. Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver") Cc: <stable(a)vger.kernel.org> Signed-off-by: Thomas Fourier <fourier.thomas(a)gmail.com> --- drivers/infiniband/hw/bnxt_re/qplib_res.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 875d7b52c06a..866dc22a2ab8 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -64,9 +64,7 @@ static void __free_pbl(struct bnxt_qplib_res *res, struct bnxt_qplib_pbl *pbl, for (i = 0; i < pbl->pg_count; i++) { if (pbl->pg_arr[i]) dma_free_coherent(&pdev->dev, pbl->pg_size, - (void *)((unsigned long) - pbl->pg_arr[i] & - PAGE_MASK), + pbl->pg_arr[i], pbl->pg_map_arr[i]); else dev_warn(&pdev->dev, -- 2.43.0

1 day, 16 hours

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