ovl: fix dput() of ERR_PTR in ovl_cleanup_index()

Fixes: caf70cb2ba ("ovl: cleanup orphan index entries")
Cc: <stable@vger.kernel.org> # v4.13
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Amir Goldstein 2017-09-24 17:36:26 +03:00 committed by Miklos Szeredi
parent e0082a0f04
commit 9f4ec904db

View File

@ -430,7 +430,7 @@ void ovl_inuse_unlock(struct dentry *dentry)
}
}
/* Called must hold OVL_I(inode)->oi_lock */
/* Caller must hold OVL_I(inode)->lock */
static void ovl_cleanup_index(struct dentry *dentry)
{
struct inode *dir = ovl_indexdir(dentry->d_sb)->d_inode;
@ -469,6 +469,9 @@ static void ovl_cleanup_index(struct dentry *dentry)
err = PTR_ERR(index);
if (!IS_ERR(index))
err = ovl_cleanup(dir, index);
else
index = NULL;
inode_unlock(dir);
if (err)
goto fail;