ipv4: Use frag list abstraction interfaces.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 1f1b82475eaf9cd076eae2c500693f4567f666fc..575f9bd51ccdf745c62125a45611d845dc015b2b 100644 (file)
--- 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 3d6167fb2d970b1a46db9d1f5be823610fdb0c7d..9248d2807ba6787ba68ca168ff241a2693fbf2ed 100644 (file)
--- 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;