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-rw-r--r--net/ipv4/udp.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 189144346cd4..7c6228fbf5dd 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -533,8 +533,7 @@ static inline bool __udp_is_mcast_sock(struct net *net, struct sock *sk,
(inet->inet_dport != rmt_port && inet->inet_dport) ||
(inet->inet_rcv_saddr && inet->inet_rcv_saddr != loc_addr) ||
ipv6_only_sock(sk) ||
- (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif &&
- sk->sk_bound_dev_if != sdif))
+ !udp_sk_bound_dev_eq(net, sk->sk_bound_dev_if, dif, sdif))
return false;
if (!ip_mc_sf_allow(sk, loc_addr, rmt_addr, dif, sdif))
return false;