On Thu, Jan 04, 2007 at 10:02:00PM -0800, Andrew Morton wrote:
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc3/2.6.20-rc3-mm1/
>
The tcphdr struct passed to tcp_v4_check is not used, the following patch
removes it from the parameter list.
Regards,
Frederik
Signed-off-by: Frederik Deweerdt <[email protected]>
Index: 2.6.20-rc3-mm1/include/net/tcp.h
===================================================================
--- 2.6.20-rc3-mm1.orig/include/net/tcp.h
+++ 2.6.20-rc3-mm1/include/net/tcp.h
@@ -802,9 +802,8 @@ static inline void tcp_update_wl(struct
/*
* Calculate(/check) TCP checksum
*/
-static inline __sum16 tcp_v4_check(struct tcphdr *th, int len,
- __be32 saddr, __be32 daddr,
- __wsum base)
+static inline __sum16 tcp_v4_check(int len, __be32 saddr,
+ __be32 daddr, __wsum base)
{
return csum_tcpudp_magic(saddr,daddr,len,IPPROTO_TCP,base);
}
Index: 2.6.20-rc3-mm1/net/ipv4/netfilter/ipt_REJECT.c
===================================================================
--- 2.6.20-rc3-mm1.orig/net/ipv4/netfilter/ipt_REJECT.c
+++ 2.6.20-rc3-mm1/net/ipv4/netfilter/ipt_REJECT.c
@@ -116,7 +116,7 @@ static void send_reset(struct sk_buff *o
/* 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,
Index: 2.6.20-rc3-mm1/net/ipv4/tcp_ipv4.c
===================================================================
--- 2.6.20-rc3-mm1.orig/net/ipv4/tcp_ipv4.c
+++ 2.6.20-rc3-mm1/net/ipv4/tcp_ipv4.c
@@ -502,14 +502,13 @@ void tcp_v4_send_check(struct sock *sk,
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));
+ th->doff << 2, skb->csum));
}
}
@@ -525,7 +524,7 @@ int tcp_v4_gso_send_check(struct sk_buff
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 +746,7 @@ static int tcp_v4_send_synack(struct soc
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 +1513,7 @@ static struct sock *tcp_v4_hnd_req(struc
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;
-
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