[PATCH 8/9] drm/i915: return error if fb is NULL

[Gustavo Padovan]

From: Gustavo Padovan <gustavo.padovan at collabora.co.uk>

intel_pipe_check_base() should return an error is the fb received is
set to NULL.

Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
---
 drivers/gpu/drm/i915/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 42bd6c6..eb6febf 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2681,7 +2681,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 	/* no fb bound */
 	if (!fb) {
 		DRM_ERROR("No FB bound\n");
-		return 0;
+		return -EINVAL;
 	}
 
 	if (intel_crtc->plane > INTEL_INFO(dev)->num_pipes) {
-- 
1.9.3