linux-kernel - [PATCH 1/2] block: fix return value on cfq

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Message-ID: <20120604043040.GA21357@google.com>
Date:	Mon, 4 Jun 2012 13:30:40 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Jens Axboe <jaxboe@...ionio.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] block: fix return value on cfq_init() failure

cfq_init() would return zero after kmem cache creation failure.  Fix
so that it returns -ENOMEM.

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 block/cfq-iosched.c |    1 +
 1 file changed, 1 insertion(+)

--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -4202,6 +4202,7 @@ static int __init cfq_init(void)
 	if (ret)
 		return ret;
 
+	ret = -ENOMEM;
 	cfq_pool = KMEM_CACHE(cfq_queue, 0);
 	if (!cfq_pool)
 		goto err_pol_unreg;
--
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