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drm/sprd: fix potential NULL dereference

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'drm' could be null in sprd_drm_shutdown, and drm_warn maybe dereference
it, remove this warning log.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kevin Tang <kevin3.tang@gmail.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/all/20220117084044.9210-1-kevin3.tang@gmail.com

v1 -> v2:
- Split checking platform_get_resource() return value to a separate patch
- Use dev_warn() instead of removing the warning log
This commit is contained in:
Kevin Tang 2022-01-16 23:55:47 +08:00 committed by kevin3.tang
parent cecece2ca5
commit 8668658aeb
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/sprd/sprd_drm.c
View file

@ -154,7 +154,7 @@ static void sprd_drm_shutdown(struct platform_device *pdev)
struct drm_device *drm = platform_get_drvdata(pdev);
if (!drm) {
drm_warn(drm, "drm device is not available, no shutdown\n");
dev_warn(&pdev->dev, "drm device is not available, no shutdown\n");
return;
}