commit eddc9ec53be2ecdbf4efe0efd4a83052594f0ac0
author Arnaldo Carvalho de Melo <acme@redhat.com> Fri Apr 20 22:47:35 2007 -0700
committer David S. Miller <davem@sunset.davemloft.net> Wed Apr 25 22:25:10 2007 -0700
tree 4a38ab4dbd9d61fdf5a5ea6ed61463e0b9e33ba7
parent e023dd643798c4f06c16466af90b4d250e4b8bd7

[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/igmp.c

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 0687a72..f511d03 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -315,7 +315,7 @@
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));
 
 	skb_reset_network_header(skb);
-	pip = skb->nh.iph;
+	pip = ip_hdr(skb);
 	skb_put(skb, sizeof(struct iphdr) + 4);
 
 	pip->version  = 4;
@@ -345,16 +345,14 @@
 
 static int igmpv3_sendpack(struct sk_buff *skb)
 {
-	struct iphdr *pip = skb->nh.iph;
+	struct iphdr *pip = ip_hdr(skb);
 	struct igmphdr *pig = skb->h.igmph;
-	int iplen, igmplen;
+	const int iplen = skb->tail - skb->nh.raw;
+	const int igmplen = skb->tail - skb->h.raw;
 
-	iplen = skb->tail - (unsigned char *)skb->nh.iph;
 	pip->tot_len = htons(iplen);
 	ip_send_check(pip);
-
-	igmplen = skb->tail - (unsigned char *)skb->h.igmph;
-	pig->csum = ip_compute_csum((void *)skb->h.igmph, igmplen);
+	pig->csum = ip_compute_csum(skb->h.igmph, igmplen);
 
 	return NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, skb->dev,
 		       dst_output);
@@ -667,7 +665,7 @@
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));
 
 	skb_reset_network_header(skb);
-	iph = skb->nh.iph;
+	iph = ip_hdr(skb);
 	skb_put(skb, sizeof(struct iphdr) + 4);
 
 	iph->version  = 4;