From e221415cd0f639fc061e48a8edcfd2658fa6c440 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Fri, 3 Feb 2012 14:25:18 +0100
Subject: [PATCH 11/72] vfs: fix d_inode_lookup() dentry ref leak

commit e188dc02d3a9c911be56eca5aa114fe7e9822d53 upstream.

d_inode_lookup() leaks a dentry reference on IS_DEADDIR().

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/namei.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index 5008f01..744e942 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1094,8 +1094,10 @@ static struct dentry *d_inode_lookup(struct dentry *parent, struct dentry *dentr
 	struct dentry *old;
 
 	/* Don't create child dentry for a dead directory. */
-	if (unlikely(IS_DEADDIR(inode)))
+	if (unlikely(IS_DEADDIR(inode))) {
+		dput(dentry);
 		return ERR_PTR(-ENOENT);
+	}
 
 	old = inode->i_op->lookup(inode, dentry, nd);
 	if (unlikely(old)) {
-- 
1.7.9.4

