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

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[ 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@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230111024443.24559-1-miles.chen@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miles Chen 2023-01-11 10:44:41 +08:00 committed by Greg Kroah-Hartman
parent 2a83e2b5b1
commit 088a31fe1e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/mediatek/mtk_drm_gem.c
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@ -261,6 +261,6 @@ void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *ma
return;
vunmap(vaddr);
mtk_gem->kvaddr = 0;
mtk_gem->kvaddr = NULL;
kfree(mtk_gem->pages);
}