It's a bit tedious to check for NULL before calling
drm_edid_duplicate(). Make it handle NULL parameter graciously.
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/drm_edid.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 941f3d53a701..e0dbd9140726 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2881,6 +2881,9 @@ EXPORT_SYMBOL(drm_edid_read_switcheroo);
*/
struct edid *drm_edid_duplicate(const struct edid *edid)
{
+ if (!edid)
+ return NULL;
+
return kmemdup(edid, edid_size(edid), GFP_KERNEL);
}
EXPORT_SYMBOL(drm_edid_duplicate);
--
2.39.2
