This is a note to let you know that I've just added the patch titled
wifi: cw1200: Fix potential NULL dereference
to the 6.11-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:
wifi-cw1200-fix-potential-null-dereference.patch
and it can be found in the queue-6.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit db7b84895fcb514ed4a9d229bce6ce2c270bd188
Author: Linus Walleij <linus.walleij@xxxxxxxxxx>
Date: Mon Oct 28 23:06:53 2024 +0100
wifi: cw1200: Fix potential NULL dereference
[ Upstream commit 2b94751626a6d49bbe42a19cc1503bd391016bd5 ]
A recent refactoring was identified by static analysis to
cause a potential NULL dereference, fix this!
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Closes: https://lore.kernel.org/r/202410121505.nyghqEkK-lkp@xxxxxxxxx/
Fixes: 2719a9e7156c ("wifi: cw1200: Convert to GPIO descriptors")
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://patch.msgid.link/20241028-cw1200-fix-v1-1-e092b6558d1e@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/st/cw1200/cw1200_spi.c b/drivers/net/wireless/st/cw1200/cw1200_spi.c
index 4f346fb977a98..862964a8cc876 100644
--- a/drivers/net/wireless/st/cw1200/cw1200_spi.c
+++ b/drivers/net/wireless/st/cw1200/cw1200_spi.c
@@ -450,7 +450,7 @@ static int __maybe_unused cw1200_spi_suspend(struct device *dev)
{
struct hwbus_priv *self = spi_get_drvdata(to_spi_device(dev));
- if (!cw1200_can_suspend(self->core))
+ if (self && !cw1200_can_suspend(self->core))
return -EAGAIN;
/* XXX notify host that we have to keep CW1200 powered on? */
