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bridge: remove redundant check on err in br_multicast_ipv4_rcv

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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>
This commit is contained in:
Li RongQing 2019-02-19 10:17:09 +08:00 committed by David S. Miller
parent a2b5a3fa2c
commit 08e71623c8
1 changed files with 1 additions and 6 deletions
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7
net/bridge/br_multicast.c
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@ -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;