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[Cluster-devel] [GFS2] fix bz 231369, gfs2 will oops if you specify an invalid mount option [2/34]



>From 5c7342d894973636f03270673e1fb7b908a421a8 Mon Sep 17 00:00:00 2001
From: Josef Whiter <jwhiter redhat com>
Date: Wed, 7 Mar 2007 17:09:10 -0500
Subject: [PATCH] [GFS2] fix bz 231369, gfs2 will oops if you specify an invalid mount option

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>
Signed-off-by: Steven Whitehouse <swhiteho redhat com>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 9f203ef..a3a24f2 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -2217,7 +2217,7 @@ int gfs2_create_debugfs_file(struct gfs2_sbd *sdp)
 
 void gfs2_delete_debugfs_file(struct gfs2_sbd *sdp)
 {
-	if (sdp->debugfs_dentry)
+	if (sdp && sdp->debugfs_dentry)
 		debugfs_remove(sdp->debugfs_dentry);
 }
 
-- 
1.5.1.2




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