linux-kernel - [ 13/27] GFS2: return error if malloc failed in gfs2_rs

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Date:	Sun, 14 Apr 2013 19:43:12 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	Steven Whitehouse <swhiteho@...hat.com>,
	Jonghwan Choi <jhbird.choi@...sung.com>
Subject: [ 13/27] GFS2: return error if malloc failed in gfs2_rs_alloc()

3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

commit 441362d06be349430d06e37286adce4b90e6ce96 upstream.

The error code in gfs2_rs_alloc() is set to ENOMEM when error
but never be used, instead, gfs2_rs_alloc() always return 0.
Fix to return 'error'.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>
Signed-off-by: Jonghwan Choi <jhbird.choi@...sung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/gfs2/rgrp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -576,7 +576,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
 	RB_CLEAR_NODE(&ip->i_res->rs_node);
 out:
 	up_write(&ip->i_rw_mutex);
-	return 0;
+	return error;
 }
 
 static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs)


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