linux-kernel - [PATCH v2] net: macvlan: remove redundant initialization in macvlan_dev_netpoll

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Date:   Wed,  4 Nov 2020 20:54:04 -0500
From:   menglong8.dong@...il.com
To:     kuba@...nel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, dingtianhong@...wei.com,
        Menglong Dong <dong.menglong@....com.cn>
Subject: [PATCH v2] net: macvlan: remove redundant initialization in macvlan_dev_netpoll_setup

From: Menglong Dong <dong.menglong@....com.cn>

The initialization for err with 0 seems useless, as it is soon updated
with -ENOMEM. So, we can remove it.

Changes since v1:
-Keep -ENOMEM still.

Signed-off-by: Menglong Dong <dong.menglong@....com.cn>
---
 drivers/net/macvlan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index dd96020..d9b6c44 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1096,7 +1096,7 @@ static int macvlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info
 	struct macvlan_dev *vlan = netdev_priv(dev);
 	struct net_device *real_dev = vlan->lowerdev;
 	struct netpoll *netpoll;
-	int err = 0;
+	int err;
 
 	netpoll = kzalloc(sizeof(*netpoll), GFP_KERNEL);
 	err = -ENOMEM;
-- 
2.7.4