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

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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>
This commit is contained in:
zhong jiang 2018-08-06 11:07:23 +08:00 committed by David S. Miller
parent be1459de2e
commit 9c2e955c48
1 changed files with 5 additions and 7 deletions
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12
net/bridge/br_multicast.c
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@ -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);