From: Miklos Szeredi <mszeredi@xxxxxxx>
d_inode_lookup() appears to leak a dentry reference on IS_DEADDIR().
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
CC: stable@xxxxxxxxxxxxxxx
---
fs/namei.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6/fs/namei.c
===================================================================
--- linux-2.6.orig/fs/namei.c 2012-02-03 14:14:52.000000000 +0100
+++ linux-2.6/fs/namei.c 2012-02-03 14:15:48.000000000 +0100
@@ -1095,8 +1095,10 @@ static struct dentry *d_inode_lookup(str
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)) {
--
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