udp6: constify __udp_v6_is_mcast_sock() socket argument

This clarifies __udp_v6_is_mcast_sock() intent.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ab4ae886235ac9557219c901c5041adfa8b026ef..d350e57c479299e732bd3595c1964acddde2d876 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -805,12 +805,12 @@ static int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
        return 0;
 }
 
-static bool __udp_v6_is_mcast_sock(struct net *net, struct sock *sk,
+static bool __udp_v6_is_mcast_sock(struct net *net, const struct sock *sk,
                                   __be16 loc_port, const struct in6_addr *loc_addr,
                                   __be16 rmt_port, const struct in6_addr *rmt_addr,
                                   int dif, int sdif, unsigned short hnum)
 {
-       struct inet_sock *inet = inet_sk(sk);
+       const struct inet_sock *inet = inet_sk(sk);
 
        if (!net_eq(sock_net(sk), net))
                return false;