ceph: fix dentry reference leak in encode_fh()

commit 52eb5a900a9863a8b77a895f770e5d825c8e02c6 upstream.

Call to d_find_alias() needs a corresponding dput()

This fixes http://tracker.newdream.net/issues/3271

Signed-off-by: David Zafman <david.zafman@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 02ce90972d81ca6e8b60ed580931c676c441fc2c..9349bb37a2fe68df93651e6afeb384468157edd2 100644 (file)
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -90,6 +90,8 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
                *max_len = handle_length;
                type = 255;
        }
+       if (dentry)
+               dput(dentry);
        return type;
 }