From: Kent Overstreet <kmo@daterainc.com>
Date: Tue, 9 Jul 2013 00:53:26 +0000 (-0700)
Subject: bcache: Trivial error handling fix
X-Git-Tag: next-20140109~46^2~1^2~22
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5c41c8a713da7874bd79196696a275beeb11821e;p=karo-tx-linux.git

bcache: Trivial error handling fix

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

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index e363efcf2b76..677a604e7f3f 100644
--- 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);
 }