linux-kernel - [PATCH v2] netevent: remove automatic variable in register_netevent

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Message-ID: <1432861328-227197-1-git-send-email-long.wanglong@huawei.com>
Date:	Fri, 29 May 2015 01:02:08 +0000
From:	Wang Long <long.wanglong@...wei.com>
To:	<davem@...emloft.net>, <netdev@...r.kernel.org>,
	<sergei.shtylyov@...entembedded.com>
CC:	<long.wanglong@...wei.com>, <linux-kernel@...r.kernel.org>,
	<peifeiyue@...wei.com>, <wanglong@...qinren.net>
Subject: [PATCH v2] netevent: remove automatic variable in register_netevent_notifier()

Remove automatic variable 'err' in register_netevent_notifier() and
return the result of atomic_notifier_chain_register() directly.

Signed-off-by: Wang Long <long.wanglong@...wei.com>
---
 net/core/netevent.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/core/netevent.c b/net/core/netevent.c
index f17ccd2..8b3bc4f 100644
--- a/net/core/netevent.c
+++ b/net/core/netevent.c
@@ -31,10 +31,7 @@ static ATOMIC_NOTIFIER_HEAD(netevent_notif_chain);
  */
 int register_netevent_notifier(struct notifier_block *nb)
 {
-	int err;
-
-	err = atomic_notifier_chain_register(&netevent_notif_chain, nb);
-	return err;
+	return atomic_notifier_chain_register(&netevent_notif_chain, nb);
 }
 EXPORT_SYMBOL_GPL(register_netevent_notifier);
 
-- 
1.8.3.4

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