bridge: remove redundant check on err in br_multicast_ipv4_rcv

br_ip4_multicast_mrd_rcv only return 0 and -ENOMSG,
no other negative value

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.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 4a048fd..fe9f2d8 100644 (file)
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1615,12 +1615,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
                        if (ip_hdr(skb)->protocol == IPPROTO_PIM)
                                br_multicast_pim(br, port, skb);
                } else if (ipv4_is_all_snoopers(ip_hdr(skb)->daddr)) {
-                       err = br_ip4_multicast_mrd_rcv(br, port, skb);
-
-                       if (err < 0 && err != -ENOMSG) {
-                               br_multicast_err_count(br, port, skb->protocol);
-                               return err;
-                       }
+                       br_ip4_multicast_mrd_rcv(br, port, skb);
                }
 
                return 0;