diff options
author | Eric Dumazet <edumazet@google.com> | 2015-09-25 07:39:08 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-09-25 13:00:36 -0700 |
commit | b40cf18ef7961b6d67732e234780586590510ce1 (patch) | |
tree | 5ca84feda0d47832902152cd2f23fa87fd427ab3 /net/ipv6 | |
parent | 6ea29da1d04f56e167ec8cc5ed15e927997d9d67 (diff) | |
download | linux-stable-b40cf18ef7961b6d67732e234780586590510ce1.tar.gz linux-stable-b40cf18ef7961b6d67732e234780586590510ce1.tar.bz2 linux-stable-b40cf18ef7961b6d67732e234780586590510ce1.zip |
tcp: constify listener socket in tcp_v[46]_init_req()
Soon, listener socket spinlock will no longer be held,
add const arguments to tcp_v[46]_init_req() to make clear these
functions can not mess socket fields.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index a004e0b0b3e9..9016797445a2 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -663,22 +663,23 @@ static bool tcp_v6_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb) } #endif -static void tcp_v6_init_req(struct request_sock *req, struct sock *sk, +static void tcp_v6_init_req(struct request_sock *req, + const struct sock *sk_listener, struct sk_buff *skb) { struct inet_request_sock *ireq = inet_rsk(req); - struct ipv6_pinfo *np = inet6_sk(sk); + const struct ipv6_pinfo *np = inet6_sk(sk_listener); ireq->ir_v6_rmt_addr = ipv6_hdr(skb)->saddr; ireq->ir_v6_loc_addr = ipv6_hdr(skb)->daddr; /* So that link locals have meaning */ - if (!sk->sk_bound_dev_if && + if (!sk_listener->sk_bound_dev_if && ipv6_addr_type(&ireq->ir_v6_rmt_addr) & IPV6_ADDR_LINKLOCAL) ireq->ir_iif = tcp_v6_iif(skb); if (!TCP_SKB_CB(skb)->tcp_tw_isn && - (ipv6_opt_accepted(sk, skb, &TCP_SKB_CB(skb)->header.h6) || + (ipv6_opt_accepted(sk_listener, skb, &TCP_SKB_CB(skb)->header.h6) || np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo || np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim || np->repflow)) { |