codec/avcodec/vaapi_x11.c: Cleanup Render()

modules/codec/avcodec/vaapi_x11.c

@@ -638,13 +638,11 @@ static void Render(vout_display_t *vd, picture_t *picture, subpicture_t *subpict
             i_region++;
         }
     }
-    if (i_region == 0)
-        goto out_unlock;
 
-    if (RenderDirectSubpicture(vd, picture, subpicture, i_region) != VLC_SUCCESS)
+    if ((i_region > 0) &&
+        (RenderDirectSubpicture(vd, picture, subpicture, i_region) != VLC_SUCCESS))
         msg_Err(vd, "failed rendering subtitles");
 
-out_unlock:
     vlc_mutex_unlock(&picture->p_sys->surface->lock);
 }