From: zhong jiang <zhongjiang@huawei.com>
Date: Mon, 6 Aug 2018 03:07:23 +0000 (+0800)
Subject: net/bridge/br_multicast: remove redundant variable "err"
X-Git-Tag: Ubuntu-5.10.0-12.13~7241^2~115
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=9c2e955c48363a6a000a684aa49be7f4ac1120ad;p=mirror_ubuntu-hirsute-kernel.git

net/bridge/br_multicast: remove redundant variable "err"

The err is not modified after initalization, So remove it and make
it to be void function.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 920665dd92db..20ed7adcf1cc 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1423,10 +1423,10 @@ static void br_multicast_query_received(struct net_bridge *br,
 	br_multicast_mark_router(br, port);
 }
 
-static int br_ip4_multicast_query(struct net_bridge *br,
-				  struct net_bridge_port *port,
-				  struct sk_buff *skb,
-				  u16 vid)
+static void br_ip4_multicast_query(struct net_bridge *br,
+				   struct net_bridge_port *port,
+				   struct sk_buff *skb,
+				   u16 vid)
 {
 	const struct iphdr *iph = ip_hdr(skb);
 	struct igmphdr *ih = igmp_hdr(skb);
@@ -1439,7 +1439,6 @@ static int br_ip4_multicast_query(struct net_bridge *br,
 	unsigned long now = jiffies;
 	unsigned int offset = skb_transport_offset(skb);
 	__be32 group;
-	int err = 0;
 
 	spin_lock(&br->multicast_lock);
 	if (!netif_running(br->dev) ||
@@ -1498,7 +1497,6 @@ static int br_ip4_multicast_query(struct net_bridge *br,
 
 out:
 	spin_unlock(&br->multicast_lock);
-	return err;
 }
 
 #if IS_ENABLED(CONFIG_IPV6)
@@ -1828,7 +1826,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 		err = br_ip4_multicast_igmp3_report(br, port, skb_trimmed, vid);
 		break;
 	case IGMP_HOST_MEMBERSHIP_QUERY:
-		err = br_ip4_multicast_query(br, port, skb_trimmed, vid);
+		br_ip4_multicast_query(br, port, skb_trimmed, vid);
 		break;
 	case IGMP_HOST_LEAVE_MESSAGE:
 		br_ip4_multicast_leave_group(br, port, ih->group, vid, src);