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authorLi RongQing <lirongqing@baidu.com>2019-02-19 03:17:09 +0100
committerDavid S. Miller <davem@davemloft.net>2019-02-21 22:48:59 +0100
commit08e71623c8223723b19d079933974645d52967c6 (patch)
treedfe03b80e48dd4cc760d2582ebd0ec745d9734e7
parentnet: remove unneeded switch fall-through (diff)
downloadlinux-08e71623c8223723b19d079933974645d52967c6.tar.xz
linux-08e71623c8223723b19d079933974645d52967c6.zip
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>
-rw-r--r--net/bridge/br_multicast.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 4a048fd1cbea..fe9f2d8ca2c1 100644
--- 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;