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authorzhong jiang <zhongjiang@huawei.com>2018-08-06 11:07:23 +0800
committerDavid S. Miller <davem@davemloft.net>2018-08-06 10:33:44 -0700
commit9c2e955c48363a6a000a684aa49be7f4ac1120ad (patch)
tree01b39f7a032327c2bdc36c7761d1128a0cd32e1b /net/bridge
parentbe1459de2eea3619dbbb8f1f9a420e103a85986a (diff)
downloadlinux-9c2e955c48363a6a000a684aa49be7f4ac1120ad.tar.bz2
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>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_multicast.c12
1 files changed, 5 insertions, 7 deletions
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);