drm/atmel: plane_state->fb iff plane_state->crtc

[linux-2.6-microblaze.git] / drivers / gpu / drm / atmel-hlcdc / atmel_hlcdc_plane.c

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 034f202..40800ec 100644 (file)
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -604,7 +604,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
        int ret;
        int i;
 
-       if (!state->base.crtc || !fb)
+       if (!state->base.crtc || WARN_ON(!fb))
                return 0;
 
        crtc_state = drm_atomic_get_existing_crtc_state(s->state, s->crtc);