diff options
author | Eric Dumazet <edumazet@google.com> | 2015-03-24 15:58:56 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-03-24 21:16:30 -0400 |
commit | fd3a154a00fb991872680f19021f5edbb40b4dbe (patch) | |
tree | 5d0b22e1e707f9ea3dcd0c3062eaaed59bc331e2 /net/ipv4 | |
parent | 39f8e58e53be32ab758d30536e0bd2e6ce766462 (diff) | |
download | linux-stable-fd3a154a00fb991872680f19021f5edbb40b4dbe.tar.gz linux-stable-fd3a154a00fb991872680f19021f5edbb40b4dbe.tar.bz2 linux-stable-fd3a154a00fb991872680f19021f5edbb40b4dbe.zip |
tcp: md5: get rid of tcp_v[46]_reqsk_md5_lookup()
With request socks convergence, we no longer need
different lookup methods. A request socket can
use generic lookup function.
Add const qualifier to 2nd tcp_v[46]_md5_lookup() parameter.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 19 | ||||
-rw-r--r-- | net/ipv4/tcp_output.c | 2 |
2 files changed, 6 insertions, 15 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 79d5c641688c..fc8995a702a6 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -898,10 +898,10 @@ struct tcp_md5sig_key *tcp_md5_do_lookup(struct sock *sk, const union tcp_md5_addr *addr, int family) { - struct tcp_sock *tp = tcp_sk(sk); + const struct tcp_sock *tp = tcp_sk(sk); struct tcp_md5sig_key *key; unsigned int size = sizeof(struct in_addr); - struct tcp_md5sig_info *md5sig; + const struct tcp_md5sig_info *md5sig; /* caller either holds rcu_read_lock() or socket lock */ md5sig = rcu_dereference_check(tp->md5sig_info, @@ -924,24 +924,15 @@ struct tcp_md5sig_key *tcp_md5_do_lookup(struct sock *sk, EXPORT_SYMBOL(tcp_md5_do_lookup); struct tcp_md5sig_key *tcp_v4_md5_lookup(struct sock *sk, - struct sock *addr_sk) + const struct sock *addr_sk) { union tcp_md5_addr *addr; - addr = (union tcp_md5_addr *)&inet_sk(addr_sk)->inet_daddr; + addr = (union tcp_md5_addr *)&sk->sk_daddr; return tcp_md5_do_lookup(sk, addr, AF_INET); } EXPORT_SYMBOL(tcp_v4_md5_lookup); -static struct tcp_md5sig_key *tcp_v4_reqsk_md5_lookup(struct sock *sk, - struct request_sock *req) -{ - union tcp_md5_addr *addr; - - addr = (union tcp_md5_addr *)&inet_rsk(req)->ir_rmt_addr; - return tcp_md5_do_lookup(sk, addr, AF_INET); -} - /* This can be called on a newly created socket, from other files */ int tcp_md5_do_add(struct sock *sk, const union tcp_md5_addr *addr, int family, const u8 *newkey, u8 newkeylen, gfp_t gfp) @@ -1247,7 +1238,7 @@ struct request_sock_ops tcp_request_sock_ops __read_mostly = { static const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = { .mss_clamp = TCP_MSS_DEFAULT, #ifdef CONFIG_TCP_MD5SIG - .md5_lookup = tcp_v4_reqsk_md5_lookup, + .req_md5_lookup = tcp_v4_md5_lookup, .calc_md5_hash = tcp_v4_md5_hash_skb, #endif .init_req = tcp_v4_init_req, diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 501cf9d401c3..2e69b8d16e68 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2938,7 +2938,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, #ifdef CONFIG_TCP_MD5SIG rcu_read_lock(); - md5 = tcp_rsk(req)->af_specific->md5_lookup(sk, req); + md5 = tcp_rsk(req)->af_specific->req_md5_lookup(sk, req_to_sk(req)); #endif tcp_header_size = tcp_synack_options(sk, req, mss, skb, &opts, md5, foc) + sizeof(*th); |