linux-kernel - [PATCH] drivers: vxlan: fix returnvar.cocci warning

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Message-Id: <20220308100034.29035-1-guozhengkui@vivo.com>
Date:   Tue,  8 Mar 2022 18:00:14 +0800
From:   Guo Zhengkui <guozhengkui@...o.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Roopa Prabhu <roopa@...dia.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Cc:     zhengkui_guo@...look.com, Guo Zhengkui <guozhengkui@...o.com>
Subject: [PATCH] drivers: vxlan: fix returnvar.cocci warning

Fix the following coccicheck warning:

drivers/net/vxlan/vxlan_core.c:2995:5-8:
Unneeded variable: "ret". Return "0" on line 3004.

Signed-off-by: Guo Zhengkui <guozhengkui@...o.com>
---
 drivers/net/vxlan/vxlan_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index b3cbd37c4b93..e06158a42823 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2986,28 +2986,27 @@ static void vxlan_flush(struct vxlan_dev *vxlan, bool do_all)
 		}
 		spin_unlock_bh(&vxlan->hash_lock[h]);
 	}
 }
 
 /* Cleanup timer and forwarding table on shutdown */
 static int vxlan_stop(struct net_device *dev)
 {
 	struct vxlan_dev *vxlan = netdev_priv(dev);
-	int ret = 0;
 
 	vxlan_multicast_leave(vxlan);
 
 	del_timer_sync(&vxlan->age_timer);
 
 	vxlan_flush(vxlan, false);
 	vxlan_sock_release(vxlan);
 
-	return ret;
+	return 0;
 }
 
 /* Stub, nothing needs to be done. */
 static void vxlan_set_multicast_list(struct net_device *dev)
 {
 }
 
 static int vxlan_change_mtu(struct net_device *dev, int new_mtu)
 {
-- 
2.20.1