From: Tejun Heo <tj@kernel.org>
Date: Mon, 4 Jun 2012 08:01:38 +0000 (+0200)
Subject: block: fix return value on cfq_init() failure
X-Git-Tag: archive/raspbian/4.9.13-1+rpi1~10^2~10579^2~34
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=fd7949564ced88385ca7758a4c1f47c274233dd5;p=linux-4.9.git

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@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 673c977cc2bf..ae5113d3ebae 100644
--- 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;