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authorMiklos Szeredi <mszeredi@suse.cz>2012-02-03 14:25:18 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-02-29 16:30:53 -0800
commit3c40e5e0828215d90ab4374405019cd5d170615b (patch)
treeeb483cbce1b037c1dee7045b4c02f30ff3c67234
parentcadd96ffcc3e4c6db78a08d0ea95fec1ddaecf18 (diff)
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>
-rw-r--r--fs/namei.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 5008f01787f5..744e942fbf45 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)) {