From: Xiaowei.Hu <xiaowei.hu@oracle.com>
Date: Fri, 7 Jun 2013 00:07:02 +0000 (+1000)
Subject: ocfs2: ocfs2_prep_new_orphaned_file() should return ret
X-Git-Tag: next-20130607~2^2~559
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c497cbbef68fd95108f5e9caea89032b126cae0e;p=karo-tx-linux.git

ocfs2: ocfs2_prep_new_orphaned_file() should return ret

If an error occurs, for example an EIO in __ocfs2_prepare_orphan_dir,
ocfs2_prep_new_orphaned_file will release the inode_ac, then when the
caller of ocfs2_prep_new_orphaned_file gets a 0 return, it will refer to a
NULL ocfs2_alloc_context struct in the following functions.  A kernel
panic happens.

Signed-off-by: "Xiaowei.Hu" <xiaowei.hu@oracle.com>
Reviewed-by: shencanquan <shencanquan@huawei.com>
Acked-by: Sunil Mushran <sunil.mushran@gmail.com>
Cc: Joe Jin <joe.jin@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 04ee1b57c243..b563351753f1 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -2216,7 +2216,7 @@ out:
 
 	brelse(orphan_dir_bh);
 
-	return 0;
+	return ret;
 }
 
 int ocfs2_create_inode_in_orphan(struct inode *dir,