Linux Virtualization - Dec 2019 - [PATCH 08/10] drm/virtio: plane_state->fb iff plane_state->crtc

Checking both is one too much, so wrap a WARN_ON around it to stope
the copypasta.

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: David Airlie <airlied at linux.ie>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: virtualization at lists.linux-foundation.org
---
 drivers/gpu/drm/virtio/virtgpu_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c
b/drivers/gpu/drm/virtio/virtgpu_plane.c
index bc4bc4475a8c..947e65b51555 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -88,7 +88,7 @@ static int virtio_gpu_plane_atomic_check(struct drm_plane
*plane,
 	struct drm_crtc_state *crtc_state;
 	int ret;
 
-	if (!state->fb || !state->crtc)
+	if (!state->fb || WARN_ON(!state->crtc))
 		return 0;
 
 	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
-- 
2.24.0