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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-04-17 12:48:12 +0900
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-06-12 02:38:19 +0900
commit076fb7223357769c39f3ddf900bba6752369c76a (patch)
treedb75c2af3bf71cda4d0cccd6ebcfa8d1a62c3620 /net/ipv4
parent7d5d5525bd88313e6fd90c0659665aee5114bc2d (diff)
downloadop-kernel-dev-076fb7223357769c39f3ddf900bba6752369c76a.zip
op-kernel-dev-076fb7223357769c39f3ddf900bba6752369c76a.tar.gz
tcp md5sig: Remove redundant protocol argument.
Protocol is always TCP, so remove useless protocol argument. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_ipv4.c20
-rw-r--r--net/ipv4/tcp_output.c3
2 files changed, 9 insertions, 14 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 56f5509..f25445d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -95,8 +95,7 @@ static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
__be32 addr);
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
- struct tcphdr *th, int protocol,
- unsigned int tcplen);
+ struct tcphdr *th, unsigned int tcplen);
#endif
struct inet_hashinfo __cacheline_aligned tcp_hashinfo = {
@@ -586,8 +585,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
key,
ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr,
- &rep.th, IPPROTO_TCP,
- arg.iov[0].iov_len);
+ &rep.th, arg.iov[0].iov_len);
}
#endif
arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr,
@@ -680,8 +678,7 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
key,
ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr,
- &rep.th, IPPROTO_TCP,
- arg.iov[0].iov_len);
+ &rep.th, arg.iov[0].iov_len);
}
#endif
arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr,
@@ -1006,7 +1003,7 @@ static int tcp_v4_parse_md5_keys(struct sock *sk, char __user *optval,
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
- struct tcphdr *th, int protocol,
+ struct tcphdr *th,
unsigned int tcplen)
{
struct scatterlist sg[4];
@@ -1039,7 +1036,7 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
bp->saddr = saddr;
bp->daddr = daddr;
bp->pad = 0;
- bp->protocol = protocol;
+ bp->protocol = IPPROTO_TCP;
bp->len = htons(tcplen);
sg_init_table(sg, 4);
@@ -1099,7 +1096,7 @@ int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct sock *sk,
struct dst_entry *dst,
struct request_sock *req,
- struct tcphdr *th, int protocol,
+ struct tcphdr *th,
unsigned int tcplen)
{
__be32 saddr, daddr;
@@ -1115,7 +1112,7 @@ int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
}
return tcp_v4_do_calc_md5_hash(md5_hash, key,
saddr, daddr,
- th, protocol, tcplen);
+ th, tcplen);
}
EXPORT_SYMBOL(tcp_v4_calc_md5_hash);
@@ -1166,8 +1163,7 @@ static int tcp_v4_inbound_md5_hash(struct sock *sk, struct sk_buff *skb)
genhash = tcp_v4_do_calc_md5_hash(newhash,
hash_expected,
iph->saddr, iph->daddr,
- th, sk->sk_protocol,
- skb->len);
+ th, skb->len);
if (genhash || memcmp(hash_location, newhash, 16) != 0) {
if (net_ratelimit()) {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index ad993ec..f3ffd67 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -607,7 +607,6 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
md5,
sk, NULL, NULL,
tcp_hdr(skb),
- sk->sk_protocol,
skb->len);
}
#endif
@@ -2266,7 +2265,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
tp->af_specific->calc_md5_hash(md5_hash_location,
md5,
NULL, dst, req,
- tcp_hdr(skb), sk->sk_protocol,
+ tcp_hdr(skb),
skb->len);
}
#endif
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