diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 850706a..7b03930 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -315,6 +315,9 @@
 
 	cdev = &edev->component[component];
 
+	if (cdev->dev == dev)
+		return -EEXIST;
+
 	if (cdev->dev)
 		enclosure_remove_links(cdev);