linux-kernel - [PATCH] workqueue: fix double unlock bug

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Message-ID: <5462835.Vnc4dWZRns@daeseok-laptop.cloud.net>
Date:	Mon, 14 Apr 2014 09:58:35 +0900
From:	Daeseok Youn <daeseok.youn@...il.com>
To:	tj@...nel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] workqueue: fix double unlock bug


mutex_unlock() and put_pwq_unlocked() do not need to be called
when alloc_unbound_pwq() is failed.

Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
---
 kernel/workqueue.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0ee63af..e6e9f6a 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -4100,7 +4100,7 @@ static void wq_update_unbound_numa(struct workqueue_struct *wq, int cpu,
 	if (!pwq) {
 		pr_warning("workqueue: allocation failed while updating NUMA affinity of \"%s\"\n",
 			   wq->name);
-		goto out_unlock;
+		return;
 	}
 
 	/*
-- 
1.7.4.4


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