[PATCH] eCryptfs: no path_release() after path_lookup() error

Dmitriy Monakhov wrote:
> if path_lookup() return non zero code we don't have to worry about
> 'nd' parameter, but ecryptfs_read_super does path_release(&nd) after
> path_lookup has failed, and dentry counter becomes negative

Do not do a path_release after a path_lookup error.
Signed-off-by: NMichael Halcrow <mhalcrow@us.ibm.com>
Cc: Dmitriy Monakhov <dmonakhov@openvz.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/ecryptfs/main.c

@@ -487,7 +487,7 @@ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name)
 	rc = path_lookup(dev_name, LOOKUP_FOLLOW, &nd);
 	if (rc) {
 		ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
-		goto out_free;
+		goto out;
 	}
 	lower_root = nd.dentry;
 	if (!lower_root->d_inode) {