commit 967b05f64e27d04a4c8879addd0e1c52137e2c9e
author Arnaldo Carvalho de Melo <acme@redhat.com> Tue Mar 13 13:51:52 2007 -0300
committer David S. Miller <davem@sunset.davemloft.net> Wed Apr 25 22:25:17 2007 -0700
tree c2c7ab3f0284903222d6d0864deaedbd4766b9b8
parent ea2ae17d6443abddc79480dc9f7af8feacabddc4

[SK_BUFF]: Introduce skb_set_transport_header

For the cases where the transport header is being set to a offset from
skb->data.

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

net/ipv4/esp4.c

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 9576745..82543ee 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -261,7 +261,8 @@
 
 	iph->protocol = nexthdr[1];
 	pskb_trim(skb, skb->len - alen - padlen - 2);
-	skb->h.raw = __skb_pull(skb, sizeof(*esph) + esp->conf.ivlen) - ihl;
+	__skb_pull(skb, sizeof(*esph) + esp->conf.ivlen);
+	skb_set_transport_header(skb, -ihl);
 
 	return 0;
 

net/ipv4/ip_output.c

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 63c05be..6d92358 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -593,7 +593,7 @@
 		skb_reserve(skb2, ll_rs);
 		skb_put(skb2, len + hlen);
 		skb_reset_network_header(skb2);
-		skb2->h.raw = skb2->data + hlen;
+		skb2->h.raw = skb2->nh.raw + hlen;
 
 		/*
 		 *	Charge the memory for the fragment to any owner
@@ -724,7 +724,7 @@
 		skb_reset_network_header(skb);
 
 		/* initialize protocol header pointer */
-		skb->h.raw = skb->data + fragheaderlen;
+		skb->h.raw = skb->nh.raw + fragheaderlen;
 
 		skb->ip_summed = CHECKSUM_PARTIAL;
 		skb->csum = 0;
@@ -1099,8 +1099,6 @@
 		}
 		if (len <= 0) {
 			struct sk_buff *skb_prev;
-			char *data;
-			struct iphdr *iph;
 			int alloclen;
 
 			skb_prev = skb;
@@ -1123,16 +1121,15 @@
 			/*
 			 *	Find where to start putting bytes.
 			 */
-			data = skb_put(skb, fragheaderlen + fraggap);
+			skb_put(skb, fragheaderlen + fraggap);
 			skb_reset_network_header(skb);
-			iph = ip_hdr(skb);
-			data += fragheaderlen;
-			skb->h.raw = data;
+			skb->h.raw = skb->nh.raw + fragheaderlen;
 
 			if (fraggap) {
-				skb->csum = skb_copy_and_csum_bits(
-					skb_prev, maxfraglen,
-					data, fraggap, 0);
+				skb->csum = skb_copy_and_csum_bits(skb_prev,
+								   maxfraglen,
+								   skb->h.raw,
+								   fraggap, 0);
 				skb_prev->csum = csum_sub(skb_prev->csum,
 							  skb->csum);
 				pskb_trim_unique(skb_prev, maxfraglen);

net/ipv4/tcp_input.c

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5da823a..2776a8b 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3636,7 +3636,7 @@
 		skb_set_mac_header(nskb, skb_mac_header(skb) - skb->head);
 		skb_set_network_header(nskb,
 				       skb_network_header(skb) - skb->head);
-		nskb->h.raw = nskb->data + (skb->h.raw - skb->head);
+		skb_set_transport_header(nskb, skb->h.raw - skb->head);
 
 		skb_reserve(nskb, header);
 		memcpy(nskb->head, skb->head, header);