This is a note to let you know that I've just added the patch titled
driver core: Cast to (void *) with __force for __percpu pointer
to the 4.19-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:
driver-core-cast-to-void-with-__force-for-__percpu-p.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7c8311779abb4743af7b8765f4c2361f40860485
Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Thu Apr 1 20:10:30 2021 +0300
driver core: Cast to (void *) with __force for __percpu pointer
[ Upstream commit d7aa44f5a1f86cb40659eef06035d8d92604b9d5 ]
Sparse is not happy:
drivers/base/devres.c:1230:9: warning: cast removes address space '__percpu' of expression
Use __force attribute to make it happy.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210401171030.60527-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Stable-dep-of: bd50a974097b ("devres: Fix memory leakage caused by driver API devm_free_percpu()")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index d68b52cf92251..7b4346798d5fb 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -1058,6 +1058,6 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu);
void devm_free_percpu(struct device *dev, void __percpu *pdata)
{
WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match,
- (void *)pdata));
+ (__force void *)pdata));
}
EXPORT_SYMBOL_GPL(devm_free_percpu);
