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 <[email protected]>
Acked-by: Roopa Prabhu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Li RongQing 2019-02-19 10:17:09 +08:00 • committed by David S. Miller
commit 08e71623c8

View file

@ -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;