linux-kernel - [PATCH 2/3] net:af_iucv: get rid of the unneeded variable 'err' in afiucv_pm

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Date:   Tue, 7 Aug 2018 19:20:08 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <davem@...emloft.net>, <anna.schumaker@...app.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/3] net:af_iucv: get rid of the unneeded variable 'err' in afiucv_pm_freeze

We will not use the variable 'err' after initalization, So remove it and
return 0.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 net/iucv/af_iucv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 92ee91e..a21d8ed 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -150,7 +150,6 @@ static int afiucv_pm_freeze(struct device *dev)
 {
 	struct iucv_sock *iucv;
 	struct sock *sk;
-	int err = 0;
 
 #ifdef CONFIG_PM_DEBUG
 	printk(KERN_WARNING "afiucv_pm_freeze\n");
@@ -175,7 +174,7 @@ static int afiucv_pm_freeze(struct device *dev)
 		skb_queue_purge(&iucv->backlog_skb_q);
 	}
 	read_unlock(&iucv_sk_list.lock);
-	return err;
+	return 0;
 }
 
 /**
-- 
1.7.12.4