[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1259389684-18625-5-git-send-email-buchner.johannes@gmx.at>
Date: Sat, 28 Nov 2009 19:28:04 +1300
From: Johannes Buchner <buchner.johannes@....at>
To: linux-kernel@...r.kernel.org, reiserfs-devel@...r.kernel.org
Cc: Johannes Buchner <buchner.johannes@....at>
Subject: [PATCH 4/4] reiser4: fixed null pointer dereference
The parameter wbc=NULL caused a NULL pointer dereference in
reiser4_sync_inodes.
This issue was introduced in patch reiser4-vfs-add-super_operationssync_inodes
---
fs/reiser4/super_ops.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/reiser4/super_ops.c b/fs/reiser4/super_ops.c
index 0c09e3e..f72d42a 100644
--- a/fs/reiser4/super_ops.c
+++ b/fs/reiser4/super_ops.c
@@ -395,7 +395,7 @@ static void reiser4_sync_inodes(struct super_block *super,
reiser4_context *ctx;
long to_write;
- if (wbc->for_kupdate)
+ if (wbc == NULL || wbc->for_kupdate)
/* reiser4 has its own means of periodical write-out */
return;
--
1.6.4.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists