[PATCH 148/270] ceph: fix dentry reference leak in encode_fh()

Herton Ronaldo Krzesinski herton.krzesinski at canonical.com
Mon Nov 26 16:57:18 UTC 2012

3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.


From: David Zafman <david.zafman at inktank.com>

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 at inktank.com>
Reviewed-by: Sage Weil <sage at inktank.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
 fs/ceph/export.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 02ce909..9349bb3 100644
--- 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;

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