"index" needs to be signed for the error handling to work. Really "ret"
should be an int as well.
Fixes: 109eee2f2a18 ('drm/layerscape: Add Freescale DCU DRM driver')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
index 82be6b8..d1e300d 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
@@ -58,7 +58,8 @@ static void fsl_dcu_drm_plane_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct fsl_dcu_drm_device *fsl_dev = plane->dev->dev_private;
- unsigned int index, value, ret;
+ unsigned int value;
+ int index, ret;
index = fsl_dcu_drm_plane_index(plane);
if (index < 0)
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