linux-kernel - [PATCH 7/8] [GFS2] fs/gfs2/ops_fstype.c:fill_super

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Message-Id: <1161335944.27980.193.camel@quoit.chygwyn.com>
Date:	Fri, 20 Oct 2006 10:19:04 +0100
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc:	Adrian Bunk <bunk@...sta.de>
Subject: [PATCH 7/8] [GFS2] fs/gfs2/ops_fstype.c:fill_super_meta(): fix
	NULL dereference

>>From bbbe4512735eb0f15f09ffd14876091a8e91bc69 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@...sta.de>
Date: Thu, 19 Oct 2006 15:27:00 +0200
Subject: [GFS2] fs/gfs2/ops_fstype.c:fill_super_meta(): fix NULL dereference

Don't dereference new->s_root when we do know it's NULL.

Spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@...sta.de>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>
---
 fs/gfs2/ops_fstype.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index e99444d..882873a 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -794,8 +794,8 @@ static int fill_super_meta(struct super_
 		fs_err(sdp, "can't get root dentry\n");
 		error = -ENOMEM;
 		iput(inode);
-	}
-	new->s_root->d_op = &gfs2_dops;
+	} else
+		new->s_root->d_op = &gfs2_dops;
 
 	return error;
 }
-- 
1.4.1



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