From: Dave Jones <davej@redhat.com>
Date: Tue, 10 Sep 2013 21:04:25 +0000 (-0400)
Subject: Add missing unlocks to error paths of mountpoint_last.
X-Git-Tag: archive/raspbian/4.9.13-1+rpi1~10^2~8016^2^2~36
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=da5338c7498556b760871661ffecb053cc6f708f;p=linux-4.9.git

Add missing unlocks to error paths of mountpoint_last.

Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namei.c b/fs/namei.c
index 841c8d9286c0..0dc4cbf21f37 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2261,12 +2261,15 @@ mountpoint_last(struct nameidata *nd, struct path *path)
 		dentry = d_alloc(dir, &nd->last);
 		if (!dentry) {
 			error = -ENOMEM;
+			mutex_unlock(&dir->d_inode->i_mutex);
 			goto out;
 		}
 		dentry = lookup_real(dir->d_inode, dentry, nd->flags);
 		error = PTR_ERR(dentry);
-		if (IS_ERR(dentry))
+		if (IS_ERR(dentry)) {
+			mutex_unlock(&dir->d_inode->i_mutex);
 			goto out;
+		}
 	}
 	mutex_unlock(&dir->d_inode->i_mutex);