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| author | James Morris <james.l.morris@oracle.com> | 2016-07-07 10:15:34 +1000 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2016-07-07 10:15:34 +1000 |
| commit | d011a4d861ce583466a8ae72a0c8e7f51c8cba4e (patch) | |
| tree | 1ff8dfe7d486f5648e69ee85e54cde1987d8296a /net/ipv6/tcp_ipv6.c | |
| parent | 544e1cea03e6674e3c12a3b8e8cc507c3dbeaf0c (diff) | |
| parent | 3f09354ac84c6904787189d85fb306bf60f714b8 (diff) | |
| download | linux-rpi-d011a4d861ce583466a8ae72a0c8e7f51c8cba4e.tar.gz linux-rpi-d011a4d861ce583466a8ae72a0c8e7f51c8cba4e.tar.bz2 linux-rpi-d011a4d861ce583466a8ae72a0c8e7f51c8cba4e.zip | |
Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 79e33e02f11a..818b3b5cd490 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -443,6 +443,7 @@ static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst, { struct inet_request_sock *ireq = inet_rsk(req); struct ipv6_pinfo *np = inet6_sk(sk); + struct ipv6_txoptions *opt; struct flowi6 *fl6 = &fl->u.ip6; struct sk_buff *skb; int err = -ENOMEM; @@ -463,8 +464,10 @@ static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst, fl6->flowlabel = ip6_flowlabel(ipv6_hdr(ireq->pktopts)); rcu_read_lock(); - err = ip6_xmit(sk, skb, fl6, rcu_dereference(np->opt), - np->tclass); + opt = ireq->ipv6_opt; + if (!opt) + opt = rcu_dereference(np->opt); + err = ip6_xmit(sk, skb, fl6, opt, np->tclass); rcu_read_unlock(); err = net_xmit_eval(err); } @@ -476,6 +479,7 @@ done: static void tcp_v6_reqsk_destructor(struct request_sock *req) { + kfree(inet_rsk(req)->ipv6_opt); kfree_skb(inet_rsk(req)->pktopts); } @@ -1109,7 +1113,9 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * but we make one more one thing there: reattach optmem to newsk. */ - opt = rcu_dereference(np->opt); + opt = ireq->ipv6_opt; + if (!opt) + opt = rcu_dereference(np->opt); if (opt) { opt = ipv6_dup_options(newsk, opt); RCU_INIT_POINTER(newnp->opt, opt); |