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 5.4-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-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 374c407a0f17274bcf3c5d45618b20e262cc41c3 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 0bbb328bd17f8..e8ad6a41ad4ce 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -1112,6 +1112,6 @@ 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);