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Commit 9e89fd8b authored by Sven Wegener's avatar Sven Wegener Committed by David S. Miller
Browse files

ipv6: Shrink udp_v6_mcast_next() to one socket variable 



To avoid the confusion of having two variables, shrink the function to
only use the parameter variable for looping.

Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: default avatarSven Wegener <sven.wegener@stealer.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f666f87b

net/ipv6/udp.c

+12 −13
Original line number Diff line number Diff line
@@ -705,35 +705,34 @@ static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk, 
				      int dif)

{

	struct hlist_nulls_node *node;

	struct sock *s = sk;

	unsigned short num = ntohs(loc_port);



	sk_nulls_for_each_from(s, node) {

		struct inet_sock *inet = inet_sk(s);

	sk_nulls_for_each_from(sk, node) {

		struct inet_sock *inet = inet_sk(sk);



		if (!net_eq(sock_net(s), net))

		if (!net_eq(sock_net(sk), net))

			continue;



		if (udp_sk(s)->udp_port_hash == num &&

		    s->sk_family == PF_INET6) {

		if (udp_sk(sk)->udp_port_hash == num &&

		    sk->sk_family == PF_INET6) {

			if (inet->inet_dport) {

				if (inet->inet_dport != rmt_port)

					continue;

			}

			if (!ipv6_addr_any(&s->sk_v6_daddr) &&

			    !ipv6_addr_equal(&s->sk_v6_daddr, rmt_addr))

			if (!ipv6_addr_any(&sk->sk_v6_daddr) &&

			    !ipv6_addr_equal(&sk->sk_v6_daddr, rmt_addr))

				continue;



			if (s->sk_bound_dev_if && s->sk_bound_dev_if != dif)

			if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif)

				continue;



			if (!ipv6_addr_any(&s->sk_v6_rcv_saddr)) {

				if (!ipv6_addr_equal(&s->sk_v6_rcv_saddr, loc_addr))

			if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr)) {

				if (!ipv6_addr_equal(&sk->sk_v6_rcv_saddr, loc_addr))

					continue;

			}

			if (!inet6_mc_check(s, loc_addr, rmt_addr))

			if (!inet6_mc_check(sk, loc_addr, rmt_addr))

				continue;

			return s;

			return sk;

		}

	}

	return NULL;