From e019429d4548348c6ab8674305d985feee040476 Mon Sep 17 00:00:00 2001
From: Andrew Deason <adeason@sinenomine.net>
Date: Wed, 17 Apr 2013 01:27:47 -0500
Subject: [PATCH] LINUX: Avoid duplicate mntget in afs_dentry_open

Our caller already got a ref to 'mnt'; getting another one here will
overcount refs on 'mnt'.

This can make it impossible to unmount the filesystem the cache
resides on (even after the client is stopped), since it's ref count
will be very high.

FIXES 131613

Change-Id: I3f0cd0fd6c0c2ced74f2d799ea0d8f8701a20141
Reviewed-on: http://gerrit.openafs.org/9790
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Tested-by: Stephan Wiesand <stephan.wiesand@desy.de>
Reviewed-by: Marc Dionne <marc.c.dionne@gmail.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
---
 src/afs/LINUX/osi_compat.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/afs/LINUX/osi_compat.h b/src/afs/LINUX/osi_compat.h
index f729db53db..6087d4377e 100644
--- a/src/afs/LINUX/osi_compat.h
+++ b/src/afs/LINUX/osi_compat.h
@@ -529,7 +529,7 @@ afs_dentry_open(struct dentry *dp, struct vfsmount *mnt, int flags, const struct
     filp = dentry_open(&path, flags, creds);
     return filp;
 #else
-    return dentry_open(dp, mntget(mnt), flags, creds);
+    return dentry_open(dp, mnt, flags, creds);
 #endif
 }
 #endif