diff options
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 6fdaf6fe94e..bbcecdb4e0a 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1755,7 +1755,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_mode_config *config = &dev->mode_config; struct drm_mode_crtc *crtc_req = data; struct drm_mode_object *obj; - struct drm_crtc *crtc, *crtcfb; + struct drm_crtc *crtc; struct drm_connector **connector_set = NULL, *connector; struct drm_framebuffer *fb = NULL; struct drm_display_mode *mode = NULL; @@ -1782,14 +1782,12 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, /* If we have a mode we need a framebuffer. */ /* If we pass -1, set the mode with the currently bound fb */ if (crtc_req->fb_id == -1) { - list_for_each_entry(crtcfb, - &dev->mode_config.crtc_list, head) { - if (crtcfb == crtc) { - DRM_DEBUG_KMS("Using current fb for " - "setmode\n"); - fb = crtc->fb; - } + if (!crtc->fb) { + DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); + ret = -EINVAL; + goto out; } + fb = crtc->fb; } else { obj = drm_mode_object_find(dev, crtc_req->fb_id, DRM_MODE_OBJECT_FB); |