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-rw-r--r--drivers/gpu/drm/drm_bridge.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index f001bbe95559..0b450b334afd 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -295,6 +295,9 @@ EXPORT_SYMBOL(__devm_drm_bridge_alloc);
*/
void drm_bridge_add(struct drm_bridge *bridge)
{
+ if (!bridge->container)
+ DRM_WARN("DRM bridge corrupted or not allocated by devm_drm_bridge_alloc()\n");
+
drm_bridge_get(bridge);
mutex_init(&bridge->hpd_mutex);