From mboxrd@z Thu Jan  1 00:00:00 1970
From: Josef Whiter <jwhiter@redhat.com>
Date: Wed, 7 Mar 2007 17:09:10 -0500
Subject: [Cluster-devel] [GFS2] fix bz 231369,
	gfs2 will oops if you specify an invalid mount option
Message-ID: <20070307220909.GA22561@korben.rdu.redhat.com>
List-Id: <cluster-devel.redhat.com>
To: cluster-devel.redhat.com
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit

Hello,

If you specify an invalid mount option when trying to mount a gfs2 filesystem,
gfs2 will oops.  The attached patch resolves this problem.

Signed-off-by: Josef Whiter <jwhiter@redhat.com>


--- gfs2-2.6-nmw/fs/gfs2/glock.c.josef	2007-03-07 17:05:39.000000000 -0500
+++ gfs2-2.6-nmw/fs/gfs2/glock.c	2007-03-07 17:06:13.000000000 -0500
@@ -2217,7 +2217,7 @@ int gfs2_create_debugfs_file(struct gfs2
 
 void gfs2_delete_debugfs_file(struct gfs2_sbd *sdp)
 {
-	if (sdp->debugfs_dentry)
+	if (sdp && sdp->debugfs_dentry)
 		debugfs_remove(sdp->debugfs_dentry);
 }