Patch "drm/mediatek: Use NULL instead of 0 for NULL pointer" has been added to the 5.10-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    drm/mediatek: Use NULL instead of 0 for NULL pointer

to the 5.10-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:
     drm-mediatek-use-null-instead-of-0-for-null-pointer.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 2ce0b504f9812a1104948b95d651dda80946b4d5
Author: Miles Chen <miles.chen@xxxxxxxxxxxx>
Date:   Wed Jan 11 10:44:41 2023 +0800

    drm/mediatek: Use NULL instead of 0 for NULL pointer
    
    [ Upstream commit 4744cde06f57dd6fbaac468663b1fe2f653eaa16 ]
    
    Use NULL for NULL pointer to fix the following sparse warning:
    drivers/gpu/drm/mediatek/mtk_drm_gem.c:265:27: sparse: warning: Using plain integer as NULL pointer
    
    Fixes: 3df64d7b0a4f ("drm/mediatek: Implement gem prime vmap/vunmap function")
    Signed-off-by: Miles Chen <miles.chen@xxxxxxxxxxxx>
    Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
    Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230111024443.24559-1-miles.chen@xxxxxxxxxxxx/
    Signed-off-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index 0583e557ad372..43c54dde2f3fc 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -266,6 +266,6 @@ void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
 		return;
 
 	vunmap(vaddr);
-	mtk_gem->kvaddr = 0;
+	mtk_gem->kvaddr = NULL;
 	kfree(mtk_gem->pages);
 }