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Commit 83eaddab authored by WANG Cong's avatar WANG Cong Committed by David S. Miller
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ipv6/dccp: do not inherit ipv6_mc_list from parent 



Like commit 657831ff ("dccp/tcp: do not inherit mc_list from parent")
we should clear ipv6_mc_list etc. for IPv6 sockets too.

Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: default avatarCong Wang <xiyou.wangcong@gmail.com>
Acked-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0fe20faf

net/dccp/ipv6.c

+6 −0
Original line number Diff line number Diff line
@@ -426,6 +426,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, 
		newsk->sk_backlog_rcv = dccp_v4_do_rcv;

		newnp->pktoptions  = NULL;

		newnp->opt	   = NULL;

		newnp->ipv6_mc_list = NULL;

		newnp->ipv6_ac_list = NULL;

		newnp->ipv6_fl_list = NULL;

		newnp->mcast_oif   = inet6_iif(skb);

		newnp->mcast_hops  = ipv6_hdr(skb)->hop_limit;
@@ -490,6 +493,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, 
	/* Clone RX bits */

	newnp->rxopt.all = np->rxopt.all;



	newnp->ipv6_mc_list = NULL;

	newnp->ipv6_ac_list = NULL;

	newnp->ipv6_fl_list = NULL;

	newnp->pktoptions = NULL;

	newnp->opt	  = NULL;

	newnp->mcast_oif  = inet6_iif(skb);

net/ipv6/tcp_ipv6.c

+2 −0
Original line number Diff line number Diff line
@@ -1062,6 +1062,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * 
		newtp->af_specific = &tcp_sock_ipv6_mapped_specific;

#endif



		newnp->ipv6_mc_list = NULL;

		newnp->ipv6_ac_list = NULL;

		newnp->ipv6_fl_list = NULL;

		newnp->pktoptions  = NULL;
@@ -1131,6 +1132,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * 
	   First: no IPv4 options.

	 */

	newinet->inet_opt = NULL;

	newnp->ipv6_mc_list = NULL;

	newnp->ipv6_ac_list = NULL;

	newnp->ipv6_fl_list = NULL;