ceph: fix dentry reference leak in dcache readdir
When filldir returned an error (e.g. buffer full for a large directory),
we would leak a dentry reference, causing an oops on umount.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index aed8fda..7505b4f1 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -170,11 +170,11 @@
spin_lock(&inode->i_lock);
spin_lock(&dcache_lock);
+ last = dentry;
+
if (err < 0)
goto out_unlock;
- last = dentry;
-
p = p->prev;
filp->f_pos++;