ecryptfs: fix unlocking in error paths

Thanks to Josef Bacik for finding these.

A couple of ecryptfs error paths don't properly unlock things they locked.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Cc: Josef Bacik <jbacik@redhat.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index a96d341..9cc2aec 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -427,6 +427,7 @@
 	if (!ecryptfs_daemon_id_hash) {
 		rc = -ENOMEM;
 		ecryptfs_printk(KERN_ERR, "Failed to allocate memory\n");
+		mutex_unlock(&ecryptfs_daemon_id_hash_mux);
 		goto out;
 	}
 	for (i = 0; i < ecryptfs_hash_buckets; i++)