[PATCH] drm/omap: fix NULL but dereferenced coccicheck error

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Fix the following coccicheck warning:
./drivers/gpu/drm/omapdrm/omap_overlay.c:89:22-25: ERROR: r_ovl is NULL
but dereferenced.

Here should be ovl->idx rather than r_ovl->idx.

Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>
---
 drivers/gpu/drm/omapdrm/omap_overlay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/omapdrm/omap_overlay.c b/drivers/gpu/drm/omapdrm/omap_overlay.c
index 10730c9b2752..b0bc9ad2ef73 100644
--- a/drivers/gpu/drm/omapdrm/omap_overlay.c
+++ b/drivers/gpu/drm/omapdrm/omap_overlay.c
@@ -86,7 +86,7 @@ int omap_overlay_assign(struct drm_atomic_state *s, struct drm_plane *plane,
 		r_ovl = omap_plane_find_free_overlay(s->dev, overlay_map,
 						     caps, fourcc);
 		if (!r_ovl) {
-			overlay_map[r_ovl->idx] = NULL;
+			overlay_map[ovl->idx] = NULL;
 			*overlay = NULL;
 			return -ENOMEM;
 		}
-- 
2.35.1




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