Some more cases where skb->nh.iph was being set that were converted
to using skb_reset_network_header.
Signed-off-by: Arnaldo Carvalho de Melo <[EMAIL PROTECTED]>
---
net/ipv4/ip_output.c | 14 ++++++--------
net/ipv4/ipmr.c | 9 ++++++---
2 files changed, 12 insertions(+), 11 deletions(-)
From 56b07c24188ae240271e35b7d9f1a887a7a59fd8 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <[EMAIL PROTECTED]>
Date: Sat, 10 Mar 2007 19:40:39 -0300
Subject: [PATCH 11/18] [SK_BUFF]: Use skb_reset_network_header after skb_push
Some more cases where skb->nh.iph was being set that were converted
to using skb_reset_network_header.
Signed-off-by: Arnaldo Carvalho de Melo <[EMAIL PROTECTED]>
---
net/ipv4/ip_output.c | 14 ++++++--------
net/ipv4/ipmr.c | 9 ++++++---
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index dde51fb..99cd90c 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -125,11 +125,9 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
struct iphdr *iph;
/* Build the IP header. */
- if (opt)
- iph=(struct iphdr *)skb_push(skb,sizeof(struct iphdr) + opt->optlen);
- else
- iph=(struct iphdr *)skb_push(skb,sizeof(struct iphdr));
-
+ skb_push(skb, sizeof(struct iphdr) + (opt ? opt->optlen : 0));
+ skb_reset_network_header(skb);
+ iph = skb->nh.iph;
iph->version = 4;
iph->ihl = 5;
iph->tos = inet->tos;
@@ -143,7 +141,6 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
iph->protocol = sk->sk_protocol;
iph->tot_len = htons(skb->len);
ip_select_ident(iph, &rt->u.dst, sk);
- skb->nh.iph = iph;
if (opt && opt->optlen) {
iph->ihl += opt->optlen>>2;
@@ -333,7 +330,9 @@ packet_routed:
goto no_route;
/* OK, we know where to send it, allocate and build IP header. */
- iph = (struct iphdr *) skb_push(skb, sizeof(struct iphdr) + (opt ? opt->optlen : 0));
+ skb_push(skb, sizeof(struct iphdr) + (opt ? opt->optlen : 0));
+ skb_reset_network_header(skb);
+ iph = skb->nh.iph;
*((__be16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
iph->tot_len = htons(skb->len);
if (ip_dont_fragment(sk, &rt->u.dst) && !ipfragok)
@@ -344,7 +343,6 @@ packet_routed:
iph->protocol = sk->sk_protocol;
iph->saddr = rt->rt_src;
iph->daddr = rt->rt_dst;
- skb->nh.iph = iph;
/* Transport layer set skb->h.foo itself. */
if (opt && opt->optlen) {
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 45435f0..51528d3 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1093,7 +1093,12 @@ static struct notifier_block ip_mr_notifier={
static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
{
- struct iphdr *iph = (struct iphdr *)skb_push(skb,sizeof(struct iphdr));
+ struct iphdr *iph;
+
+ skb_push(skb, sizeof(struct iphdr));
+ skb->h.ipiph = skb->nh.iph;
+ skb_reset_network_header(skb);
+ iph = skb->nh.iph;
iph->version = 4;
iph->tos = skb->nh.iph->tos;
@@ -1107,8 +1112,6 @@ static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
ip_select_ident(iph, skb->dst, NULL);
ip_send_check(iph);
- skb->h.ipiph = skb->nh.iph;
- skb->nh.iph = iph;
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
nf_reset(skb);
}
--
1.5.0.2
