linux-kernel - [PATCH -next] loopdev: fix error return code in loop

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Message-ID: <CAPgLHd-xuqvH6tr8d+78MjX-d7E6Jb_6oyb8hV_GMw-yYyBB0g@mail.gmail.com>
Date:	Fri, 22 Mar 2013 19:29:07 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	akpm@...ux-foundation.org, axboe@...nel.dk, yan@...ux.vnet.ibm.com,
	tj@...nel.org, ebiederm@...ssion.com
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH -next] loopdev: fix error return code in loop_add()

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

Fix to return a negative error code from the error handling
case, as returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/block/loop.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 1e0cc5a..4afe38e 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1638,6 +1638,7 @@ static int loop_add(struct loop_device **l, int i)
 		goto out_free_dev;
 	i = err;
 
+	err = -ENOMEM;
 	lo->lo_queue = blk_alloc_queue(GFP_KERNEL);
 	if (!lo->lo_queue)
 		goto out_free_dev;


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