From: David Zafman <david.zafman@inktank.com>
Date: Thu, 18 Oct 2012 21:01:43 +0000 (-0700)
Subject: ceph: fix dentry reference leak in encode_fh()
X-Git-Tag: firefly_0821_release~3680^2~1324^2~65
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0f9831a89310cebba52d3f526e6cc5c2e403e6f1;p=firefly-linux-kernel-4.4.55.git

ceph: fix dentry reference leak in encode_fh()

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>
---

diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 8e1b60e557b6..862887004d20 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;
 }