[TCP]: remove tcp header from tcp_v4_check (take #2)
The tcphdr struct passed to tcp_v4_check is not used, the following
patch removes it from the parameter list.
This adds the netfilter modifications missing in the patch I sent
for rc3-mm1.
Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter/ip_nat_helper.c b/net/ipv4/netfilter/ip_nat_helper.c
index ee80feb..2e5c4bc 100644
--- a/net/ipv4/netfilter/ip_nat_helper.c
+++ b/net/ipv4/netfilter/ip_nat_helper.c
@@ -183,7 +183,7 @@
datalen = (*pskb)->len - iph->ihl*4;
if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
tcph->check = 0;
- tcph->check = tcp_v4_check(tcph, datalen,
+ tcph->check = tcp_v4_check(datalen,
iph->saddr, iph->daddr,
csum_partial((char *)tcph,
datalen, 0));
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index f0319e5..c9cad23 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -116,7 +116,7 @@
/* Adjust TCP checksum */
tcph->check = 0;
- tcph->check = tcp_v4_check(tcph, sizeof(struct tcphdr),
+ tcph->check = tcp_v4_check(sizeof(struct tcphdr),
nskb->nh.iph->saddr,
nskb->nh.iph->daddr,
csum_partial((char *)tcph,
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 98fbfc84..dc6738b 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -176,7 +176,7 @@
datalen = (*pskb)->len - iph->ihl*4;
if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
tcph->check = 0;
- tcph->check = tcp_v4_check(tcph, datalen,
+ tcph->check = tcp_v4_check(datalen,
iph->saddr, iph->daddr,
csum_partial((char *)tcph,
datalen, 0));
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 12de90a..f061ec5 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -502,11 +502,11 @@
struct tcphdr *th = skb->h.th;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- th->check = ~tcp_v4_check(th, len,
- inet->saddr, inet->daddr, 0);
+ th->check = ~tcp_v4_check(len, inet->saddr,
+ inet->daddr, 0);
skb->csum_offset = offsetof(struct tcphdr, check);
} else {
- th->check = tcp_v4_check(th, len, inet->saddr, inet->daddr,
+ th->check = tcp_v4_check(len, inet->saddr, inet->daddr,
csum_partial((char *)th,
th->doff << 2,
skb->csum));
@@ -525,7 +525,7 @@
th = skb->h.th;
th->check = 0;
- th->check = ~tcp_v4_check(th, skb->len, iph->saddr, iph->daddr, 0);
+ th->check = ~tcp_v4_check(skb->len, iph->saddr, iph->daddr, 0);
skb->csum_offset = offsetof(struct tcphdr, check);
skb->ip_summed = CHECKSUM_PARTIAL;
return 0;
@@ -747,7 +747,7 @@
if (skb) {
struct tcphdr *th = skb->h.th;
- th->check = tcp_v4_check(th, skb->len,
+ th->check = tcp_v4_check(skb->len,
ireq->loc_addr,
ireq->rmt_addr,
csum_partial((char *)th, skb->len,
@@ -1514,7 +1514,7 @@
static __sum16 tcp_v4_checksum_init(struct sk_buff *skb)
{
if (skb->ip_summed == CHECKSUM_COMPLETE) {
- if (!tcp_v4_check(skb->h.th, skb->len, skb->nh.iph->saddr,
+ if (!tcp_v4_check(skb->len, skb->nh.iph->saddr,
skb->nh.iph->daddr, skb->csum)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
return 0;