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ipv6/dccp: do not inherit ipv6_mc_list from parent 

Like commit 657831ffc38e ("dccp/tcp: do not inherit mc_list from parent")
we should clear ipv6_mc_list etc. for IPv6 sockets too

Change-Id: I600f5029ea88fc52e33ec3f5775a52c3efdd07cf
Git-commit: 83eaddab4378db256d00d295bda6ca997cd13a52
Git-repo: https://source.codeaurora.org/quic/la/kernel/msm-3.10
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[srkupp@codeaurora.org: Resolved minor conflict]
Signed-off-by: Srinivasa Rao Kuppala <srkupp@codeaurora.org>
This commit is contained in:
WANG Cong 2017-05-09 16:59:54 -07:00 committed by Gerrit - the friendly Code Review server
parent 2eaf14b921
commit caa7dd69e2
2 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
net/dccp/ipv6.c
View File

@ -483,6 +483,9 @@ static struct sock *dccp_v6_request_recv_sock(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;
@ -558,7 +561,9 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
/* Clone RX bits */
newnp->rxopt.all = np->rxopt.all;
/* Clone pktoptions received with SYN */
newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
if (ireq6->pktopts != NULL) {
newnp->pktoptions = skb_clone(ireq6->pktopts, GFP_ATOMIC);

2
net/ipv6/tcp_ipv6.c
View File

@ -1133,6 +1133,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
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;
@ -1200,6 +1201,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
First: no IPv4 options.
*/
newinet->inet_opt = NULL;
newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;