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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/
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