bcache: Trivial error handling fix

Signed-off-by: Kent Overstreet <kmo@daterainc.com>

bcache: Trivial error handling fix
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
5c41c8a7 · Kent Overstreet · c78afc62 · 5c41c8a7
Commit 5c41c8a7 authored Jul 08, 2013 by Kent Overstreet
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drivers/md/bcache/super.c drivers/md/bcache/super.c +2 -1

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--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -2065,7 +2065,8 @@ static void bcache_exit(void)
 		kobject_put(bcache_kobj);
 	if (bcache_wq)
 		destroy_workqueue(bcache_wq);
-	unregister_blkdev(bcache_major, "bcache");
+	if (bcache_major)
+		unregister_blkdev(bcache_major, "bcache");
 	unregister_reboot_notifier(&reboot);
 }