From d7fcf1a5cae2c970e9afe7192fe0c13d931247e0 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 9 Jun 2009 00:19:37 -0700
Subject: [PATCH] ipv4: Use frag list abstraction interfaces.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/ip_fragment.c | 4 ++--
net/ipv4/ip_output.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 1f1b82475eaf..575f9bd51ccd 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -507,7 +507,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
/* If the first fragment is fragmented itself, we split
* it to two chunks: the first with data and paged part
* and the second, holding only fragments. */
- if (skb_shinfo(head)->frag_list) {
+ if (skb_has_frags(head)) {
struct sk_buff *clone;
int i, plen = 0;
@@ -516,7 +516,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
clone->next = head->next;
head->next = clone;
skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
- skb_shinfo(head)->frag_list = NULL;
+ skb_frag_list_init(head);
for (i=0; i<skb_shinfo(head)->nr_frags; i++)
plen += skb_shinfo(head)->frags[i].size;
clone->len = clone->data_len = head->data_len - plen;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 3d6167fb2d97..9248d2807ba6 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -474,7 +474,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
* LATER: this step can be merged to real generation of fragments,
* we can switch to copy when see the first bad fragment.
*/
- if (skb_shinfo(skb)->frag_list) {
+ if (skb_has_frags(skb)) {
struct sk_buff *frag;
int first_len = skb_pagelen(skb);
int truesizes = 0;
@@ -485,7 +485,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
skb_cloned(skb))
goto slow_path;
- for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
+ skb_walk_frags(skb, frag) {
/* Correct geometry. */
if (frag->len > mtu ||
((frag->len & 7) && frag->next) ||
@@ -510,7 +510,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
err = 0;
offset = 0;
frag = skb_shinfo(skb)->frag_list;
- skb_shinfo(skb)->frag_list = NULL;
+ skb_frag_list_init(skb);
skb->data_len = first_len - skb_headlen(skb);
skb->truesize -= truesizes;
skb->len = first_len;
--
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