This is a note to let you know that I've just added the patch titled mt76: mt7921: fix retrying release semaphore without end to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mt76-mt7921-fix-retrying-release-semaphore-without-e.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 2de831dde97658f32202625568fcd263222bde3a Author: Sean Wang <sean.wang@xxxxxxxxxxxx> Date: Tue Sep 14 23:50:22 2021 +0800 mt76: mt7921: fix retrying release semaphore without end [ Upstream commit 02d1c7d494d8052288bc175e4ff54b56d08a3c5f ] We should pass the error code to the caller immediately to avoid the possible infinite retry to release the semaphore. Fixes: 1c099ab44727 ("mt76: mt7921: add MCU support") Co-developed-by: YN Chen <YN.Chen@xxxxxxxxxxxx> Signed-off-by: YN Chen <YN.Chen@xxxxxxxxxxxx> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 3cb53c642d242..506a1909ce6d5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -827,7 +827,7 @@ out: default: ret = -EAGAIN; dev_err(dev->mt76.dev, "Failed to release patch semaphore\n"); - goto out; + break; } release_firmware(fw);