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FAILED: patch "[PATCH] dma-buf: insert memory barrier before updating num_fences" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

3 months, 4 weeks

FAILED: patch "[PATCH] i2c: designware: Fix an error handling path in" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

3 months, 4 weeks

[PATCH v2 0/2] power: supply: bq27xxx: bug fixes

by H. Nikolaus Schaller

PATCH V2 2025-08-23 12:33:18: Changes: * improved commit description of main fix * new patch: adds a restriction of historical no-battery-detection logic to the bq27000 chip PATCH V1 2025-07-21 14:46:09: H. Nikolaus Schaller (2): power: supply: bq27xxx: fix error return in case of no bq27000 hdq battery power: supply: bq27xxx: restrict no-battery detection to bq27000 drivers/power/supply/bq27xxx_battery.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.50.1

3 months, 4 weeks

FAILED: patch "[PATCH] ALSA: hda/realtek - Add new HP ZBook laptop with micmute led" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

3 months, 4 weeks

FAILED: patch "[PATCH] ALSA: hda/realtek - Add new HP ZBook laptop with micmute led" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

3 months, 4 weeks

[PATCH] ARM: AM33xx: Implement TI advisory 1.0.36 (EMU0/EMU1 pins state on reset)

by A. Sverdlin

From: Alexander Sverdlin <alexander.sverdlin(a)siemens.com> There is an issue possible where TI AM33xx SoCs do not boot properly after a reset if EMU0/EMU1 pins were used as GPIO and have been driving low level actively prior to reset [1]. "Advisory 1.0.36 EMU0 and EMU1: Terminals Must be Pulled High Before ICEPick Samples The state of the EMU[1:0] terminals are latched during reset to determine ICEPick boot mode. For normal device operation, these terminals must be pulled up to a valid high logic level ( > VIH min) before ICEPick samples the state of these terminals, which occurs [five CLK_M_OSC clock cycles - 10 ns] after the falling edge of WARMRSTn. Many applications may not require the secondary GPIO function of the EMU[1:0] terminals. In this case, they would only be connected to pull-up resistors, which ensures they are always high when ICEPick samples. However, some applications may need to use these terminals as GPIO where they could be driven low before reset is asserted. This usage of the EMU[1:0] terminals may require special attention to ensure the terminals are allowed to return to a valid high-logic level before ICEPick samples the state of these terminals. When any device reset is asserted, the pin mux mode of EMU[1:0] terminals configured to operate as GPIO (mode 7) will change back to EMU input (mode 0) on the falling edge of WARMRSTn. This only provides a short period of time for the terminals to return high if driven low before reset is asserted... If the EMU[1:0] terminals are configured to operate as GPIO, the product should be designed such these terminals can be pulled to a valid high-logic level within 190 ns after the falling edge of WARMRSTn." We've noticed this problem with custom am335x hardware in combination with recently implemented cold reset method (commit 6521f6a195c70 ("ARM: AM33xx: PRM: Implement REBOOT_COLD")). It looks like the problem can affect other HW, for instance AM335x Chiliboard, because the latter has LEDs on GPIO3_7/GPIO3_8 as well. One option would be to check if the pins are in GPIO mode and either switch to output active high, or switch to input and poll until the external pull-ups have brought the pins to the desired high state. But fighting with GPIO driver for these pins is probably not the most straight forward approch in a reboot handler. Fortunately we can easily control pinmuxing here and rely on the external pull-ups. TI recommends 4k7 external pull up resistors [2] and even with quite conservative estimation for pin capacity (1 uF should never happen) the required delay shall not exceed 5ms. [1] Link: https://www.ti.com/lit/pdf/sprz360 [2] Link: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/8… Cc: stable(a)vger.kernel.org Signed-off-by: Alexander Sverdlin <alexander.sverdlin(a)siemens.com> --- arch/arm/mach-omap2/am33xx-restart.c | 36 ++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm/mach-omap2/am33xx-restart.c b/arch/arm/mach-omap2/am33xx-restart.c index fcf3d557aa786..3cdf223addcc2 100644 --- a/arch/arm/mach-omap2/am33xx-restart.c +++ b/arch/arm/mach-omap2/am33xx-restart.c @@ -2,12 +2,46 @@ /* * am33xx-restart.c - Code common to all AM33xx machines. */ +#include <dt-bindings/pinctrl/am33xx.h> +#include <linux/delay.h> #include <linux/kernel.h> #include <linux/reboot.h> #include "common.h" +#include "control.h" #include "prm.h" +/* + * Advisory 1.0.36 EMU0 and EMU1: Terminals Must be Pulled High Before + * ICEPick Samples + * + * If EMU0/EMU1 pins have been used as GPIO outputs and actively driving low + * level, the device might not reboot in normal mode. We are in a bad position + * to override GPIO state here, so just switch the pins into EMU input mode + * (that's what reset will do anyway) and wait a bit, because the state will be + * latched 190 ns after reset. + */ +static void am33xx_advisory_1_0_36(void) +{ + u32 emu0 = omap_ctrl_readl(AM335X_PIN_EMU0); + u32 emu1 = omap_ctrl_readl(AM335X_PIN_EMU1); + + /* If both pins are in EMU mode, nothing to do */ + if (!(emu0 & 7) && !(emu1 & 7)) + return; + + /* Switch GPIO3_7/GPIO3_8 into EMU0/EMU1 modes respectively */ + omap_ctrl_writel(emu0 & ~7, AM335X_PIN_EMU0); + omap_ctrl_writel(emu1 & ~7, AM335X_PIN_EMU1); + + /* + * Give pull-ups time to load the pin/PCB trace capacity. + * 5 ms shall be enough to load 1 uF (would be huge capacity for these + * pins) with TI-recommended 4k7 external pull-ups. + */ + mdelay(5); +} + /** * am33xx_restart - trigger a software restart of the SoC * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c @@ -18,6 +52,8 @@ */ void am33xx_restart(enum reboot_mode mode, const char *cmd) { + am33xx_advisory_1_0_36(); + /* TODO: Handle cmd if necessary */ prm_reboot_mode = mode; -- 2.50.1

3 months, 4 weeks

FAILED: patch "[PATCH] dmaengine: mediatek: Fix a possible deadlock error in" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-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-5.4.y git checkout FETCH_HEAD git cherry-pick -x 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025051913-detached-security-c641@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 Mon Sep 17 00:00:00 2001 From: Qiu-ji Chen <chenqiuji666(a)gmail.com> Date: Thu, 8 May 2025 15:36:33 +0800 Subject: [PATCH] dmaengine: mediatek: Fix a possible deadlock error in mtk_cqdma_tx_status() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix a potential deadlock bug. Observe that in the mtk-cqdma.c file, functions like mtk_cqdma_issue_pending() and mtk_cqdma_free_active_desc() properly acquire the pc lock before the vc lock when handling pc and vc fields. However, mtk_cqdma_tx_status() violates this order by first acquiring the vc lock before invoking mtk_cqdma_find_active_desc(), which subsequently takes the pc lock. This reversed locking sequence (vc → pc) contradicts the established pc → vc order and creates deadlock risks. Fix the issue by moving the vc lock acquisition code from mtk_cqdma_find_active_desc() to mtk_cqdma_tx_status(). Ensure the pc lock is acquired before the vc lock in the calling function to maintain correct locking hierarchy. Note that since mtk_cqdma_find_active_desc() is a static function with only one caller (mtk_cqdma_tx_status()), this modification safely eliminates the deadlock possibility without affecting other components. This possible bug is found by an experimental static analysis tool developed by our team. This tool analyzes the locking APIs to extract function pairs that can be concurrently executed, and then analyzes the instructions in the paired functions to identify possible concurrency bugs including deadlocks, data races and atomicity violations. Fixes: b1f01e48df5a ("dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC") Cc: stable(a)vger.kernel.org Signed-off-by: Qiu-ji Chen <chenqiuji666(a)gmail.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno(a)collabora.com> Link: https://lore.kernel.org/r/20250508073634.3719-1-chenqiuji666@gmail.com Signed-off-by: Vinod Koul <vkoul(a)kernel.org> diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index d5ddb4e30e71..e35271ac1eed 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -422,13 +422,10 @@ static struct virt_dma_desc *mtk_cqdma_find_active_desc(struct dma_chan *c, struct virt_dma_desc *vd; unsigned long flags; - spin_lock_irqsave(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->pc->queue, node) if (vd->tx.cookie == cookie) { - spin_unlock_irqrestore(&cvc->pc->lock, flags); return vd; } - spin_unlock_irqrestore(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->vc.desc_issued, node) if (vd->tx.cookie == cookie) @@ -452,9 +449,11 @@ static enum dma_status mtk_cqdma_tx_status(struct dma_chan *c, if (ret == DMA_COMPLETE || !txstate) return ret; + spin_lock_irqsave(&cvc->pc->lock, flags); spin_lock_irqsave(&cvc->vc.lock, flags); vd = mtk_cqdma_find_active_desc(c, cookie); spin_unlock_irqrestore(&cvc->vc.lock, flags); + spin_unlock_irqrestore(&cvc->pc->lock, flags); if (vd) { cvd = to_cqdma_vdesc(vd);

3 months, 4 weeks

FAILED: patch "[PATCH] dmaengine: mediatek: Fix a possible deadlock error in" 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 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025051909-laziness-boss-78ae@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 Mon Sep 17 00:00:00 2001 From: Qiu-ji Chen <chenqiuji666(a)gmail.com> Date: Thu, 8 May 2025 15:36:33 +0800 Subject: [PATCH] dmaengine: mediatek: Fix a possible deadlock error in mtk_cqdma_tx_status() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix a potential deadlock bug. Observe that in the mtk-cqdma.c file, functions like mtk_cqdma_issue_pending() and mtk_cqdma_free_active_desc() properly acquire the pc lock before the vc lock when handling pc and vc fields. However, mtk_cqdma_tx_status() violates this order by first acquiring the vc lock before invoking mtk_cqdma_find_active_desc(), which subsequently takes the pc lock. This reversed locking sequence (vc → pc) contradicts the established pc → vc order and creates deadlock risks. Fix the issue by moving the vc lock acquisition code from mtk_cqdma_find_active_desc() to mtk_cqdma_tx_status(). Ensure the pc lock is acquired before the vc lock in the calling function to maintain correct locking hierarchy. Note that since mtk_cqdma_find_active_desc() is a static function with only one caller (mtk_cqdma_tx_status()), this modification safely eliminates the deadlock possibility without affecting other components. This possible bug is found by an experimental static analysis tool developed by our team. This tool analyzes the locking APIs to extract function pairs that can be concurrently executed, and then analyzes the instructions in the paired functions to identify possible concurrency bugs including deadlocks, data races and atomicity violations. Fixes: b1f01e48df5a ("dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC") Cc: stable(a)vger.kernel.org Signed-off-by: Qiu-ji Chen <chenqiuji666(a)gmail.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno(a)collabora.com> Link: https://lore.kernel.org/r/20250508073634.3719-1-chenqiuji666@gmail.com Signed-off-by: Vinod Koul <vkoul(a)kernel.org> diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index d5ddb4e30e71..e35271ac1eed 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -422,13 +422,10 @@ static struct virt_dma_desc *mtk_cqdma_find_active_desc(struct dma_chan *c, struct virt_dma_desc *vd; unsigned long flags; - spin_lock_irqsave(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->pc->queue, node) if (vd->tx.cookie == cookie) { - spin_unlock_irqrestore(&cvc->pc->lock, flags); return vd; } - spin_unlock_irqrestore(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->vc.desc_issued, node) if (vd->tx.cookie == cookie) @@ -452,9 +449,11 @@ static enum dma_status mtk_cqdma_tx_status(struct dma_chan *c, if (ret == DMA_COMPLETE || !txstate) return ret; + spin_lock_irqsave(&cvc->pc->lock, flags); spin_lock_irqsave(&cvc->vc.lock, flags); vd = mtk_cqdma_find_active_desc(c, cookie); spin_unlock_irqrestore(&cvc->vc.lock, flags); + spin_unlock_irqrestore(&cvc->pc->lock, flags); if (vd) { cvd = to_cqdma_vdesc(vd);

3 months, 4 weeks

FAILED: patch "[PATCH] dmaengine: mediatek: Fix a possible deadlock error in" 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 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025051905-paced-scrounger-571a@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 Mon Sep 17 00:00:00 2001 From: Qiu-ji Chen <chenqiuji666(a)gmail.com> Date: Thu, 8 May 2025 15:36:33 +0800 Subject: [PATCH] dmaengine: mediatek: Fix a possible deadlock error in mtk_cqdma_tx_status() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix a potential deadlock bug. Observe that in the mtk-cqdma.c file, functions like mtk_cqdma_issue_pending() and mtk_cqdma_free_active_desc() properly acquire the pc lock before the vc lock when handling pc and vc fields. However, mtk_cqdma_tx_status() violates this order by first acquiring the vc lock before invoking mtk_cqdma_find_active_desc(), which subsequently takes the pc lock. This reversed locking sequence (vc → pc) contradicts the established pc → vc order and creates deadlock risks. Fix the issue by moving the vc lock acquisition code from mtk_cqdma_find_active_desc() to mtk_cqdma_tx_status(). Ensure the pc lock is acquired before the vc lock in the calling function to maintain correct locking hierarchy. Note that since mtk_cqdma_find_active_desc() is a static function with only one caller (mtk_cqdma_tx_status()), this modification safely eliminates the deadlock possibility without affecting other components. This possible bug is found by an experimental static analysis tool developed by our team. This tool analyzes the locking APIs to extract function pairs that can be concurrently executed, and then analyzes the instructions in the paired functions to identify possible concurrency bugs including deadlocks, data races and atomicity violations. Fixes: b1f01e48df5a ("dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC") Cc: stable(a)vger.kernel.org Signed-off-by: Qiu-ji Chen <chenqiuji666(a)gmail.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno(a)collabora.com> Link: https://lore.kernel.org/r/20250508073634.3719-1-chenqiuji666@gmail.com Signed-off-by: Vinod Koul <vkoul(a)kernel.org> diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index d5ddb4e30e71..e35271ac1eed 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -422,13 +422,10 @@ static struct virt_dma_desc *mtk_cqdma_find_active_desc(struct dma_chan *c, struct virt_dma_desc *vd; unsigned long flags; - spin_lock_irqsave(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->pc->queue, node) if (vd->tx.cookie == cookie) { - spin_unlock_irqrestore(&cvc->pc->lock, flags); return vd; } - spin_unlock_irqrestore(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->vc.desc_issued, node) if (vd->tx.cookie == cookie) @@ -452,9 +449,11 @@ static enum dma_status mtk_cqdma_tx_status(struct dma_chan *c, if (ret == DMA_COMPLETE || !txstate) return ret; + spin_lock_irqsave(&cvc->pc->lock, flags); spin_lock_irqsave(&cvc->vc.lock, flags); vd = mtk_cqdma_find_active_desc(c, cookie); spin_unlock_irqrestore(&cvc->vc.lock, flags); + spin_unlock_irqrestore(&cvc->pc->lock, flags); if (vd) { cvd = to_cqdma_vdesc(vd);

3 months, 4 weeks

FAILED: patch "[PATCH] dmaengine: mediatek: Fix a possible deadlock error in" 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 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025051903-impurity-frivolous-0b7e@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 157ae5ffd76a2857ccb4b7ce40bc5a344ca00395 Mon Sep 17 00:00:00 2001 From: Qiu-ji Chen <chenqiuji666(a)gmail.com> Date: Thu, 8 May 2025 15:36:33 +0800 Subject: [PATCH] dmaengine: mediatek: Fix a possible deadlock error in mtk_cqdma_tx_status() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix a potential deadlock bug. Observe that in the mtk-cqdma.c file, functions like mtk_cqdma_issue_pending() and mtk_cqdma_free_active_desc() properly acquire the pc lock before the vc lock when handling pc and vc fields. However, mtk_cqdma_tx_status() violates this order by first acquiring the vc lock before invoking mtk_cqdma_find_active_desc(), which subsequently takes the pc lock. This reversed locking sequence (vc → pc) contradicts the established pc → vc order and creates deadlock risks. Fix the issue by moving the vc lock acquisition code from mtk_cqdma_find_active_desc() to mtk_cqdma_tx_status(). Ensure the pc lock is acquired before the vc lock in the calling function to maintain correct locking hierarchy. Note that since mtk_cqdma_find_active_desc() is a static function with only one caller (mtk_cqdma_tx_status()), this modification safely eliminates the deadlock possibility without affecting other components. This possible bug is found by an experimental static analysis tool developed by our team. This tool analyzes the locking APIs to extract function pairs that can be concurrently executed, and then analyzes the instructions in the paired functions to identify possible concurrency bugs including deadlocks, data races and atomicity violations. Fixes: b1f01e48df5a ("dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC") Cc: stable(a)vger.kernel.org Signed-off-by: Qiu-ji Chen <chenqiuji666(a)gmail.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno(a)collabora.com> Link: https://lore.kernel.org/r/20250508073634.3719-1-chenqiuji666@gmail.com Signed-off-by: Vinod Koul <vkoul(a)kernel.org> diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index d5ddb4e30e71..e35271ac1eed 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -422,13 +422,10 @@ static struct virt_dma_desc *mtk_cqdma_find_active_desc(struct dma_chan *c, struct virt_dma_desc *vd; unsigned long flags; - spin_lock_irqsave(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->pc->queue, node) if (vd->tx.cookie == cookie) { - spin_unlock_irqrestore(&cvc->pc->lock, flags); return vd; } - spin_unlock_irqrestore(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->vc.desc_issued, node) if (vd->tx.cookie == cookie) @@ -452,9 +449,11 @@ static enum dma_status mtk_cqdma_tx_status(struct dma_chan *c, if (ret == DMA_COMPLETE || !txstate) return ret; + spin_lock_irqsave(&cvc->pc->lock, flags); spin_lock_irqsave(&cvc->vc.lock, flags); vd = mtk_cqdma_find_active_desc(c, cookie); spin_unlock_irqrestore(&cvc->vc.lock, flags); + spin_unlock_irqrestore(&cvc->pc->lock, flags); if (vd) { cvd = to_cqdma_vdesc(vd);

3 months, 4 weeks

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