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authorMiklos Szeredi <mszeredi@suse.cz>2012-02-03 17:25:18 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-02-14 05:45:37 +0400
commite188dc02d3a9c911be56eca5aa114fe7e9822d53 (patch)
tree8b2ad2bff8dd125b5d809b943620ade2842abb4a /fs
parent3b582f393150c72b18339bc00d7ed4fb22445ed1 (diff)
downloadlinux-e188dc02d3a9c911be56eca5aa114fe7e9822d53.tar.xz
vfs: fix d_inode_lookup() dentry ref leak
d_inode_lookup() leaks a dentry reference on IS_DEADDIR(). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> CC: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/namei.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 208c6aa4a989..a780ea515c47 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1095,8 +1095,10 @@ 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)) {