[IPV6]: Move nextheader offset to the IP6CB

[deliverable/linux.git] / net / ipv6 / reassembly.c

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 5d316cb72ec920f10d448eb69f7f31cd9a54bbd1..15e1456b3f18731f8a5bdc35048845b37d549262 100644 (file)
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -581,7 +581,6 @@ err:
  *     the last and the first frames arrived and all the bits are here.
  */
 static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
-                         unsigned int *nhoffp,
                          struct net_device *dev)
 {
        struct sk_buff *fp, *head = fq->fragments;
@@ -654,6 +653,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
        head->dev = dev;
        skb_set_timestamp(head, &fq->stamp);
        head->nh.ipv6h->payload_len = htons(payload_len);
+       IP6CB(head)->nhoff = nhoff;
 
        *skb_in = head;
 
@@ -663,7 +663,6 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
 
        IP6_INC_STATS_BH(IPSTATS_MIB_REASMOKS);
        fq->fragments = NULL;
-       *nhoffp = nhoff;
        return 1;
 
 out_oversize:
@@ -678,7 +677,7 @@ out_fail:
        return -1;
 }
 
-static int ipv6_frag_rcv(struct sk_buff **skbp, unsigned int *nhoffp)
+static int ipv6_frag_rcv(struct sk_buff **skbp)
 {
        struct sk_buff *skb = *skbp; 
        struct net_device *dev = skb->dev;
@@ -710,7 +709,7 @@ static int ipv6_frag_rcv(struct sk_buff **skbp, unsigned int *nhoffp)
                skb->h.raw += sizeof(struct frag_hdr);
                IP6_INC_STATS_BH(IPSTATS_MIB_REASMOKS);
 
-               *nhoffp = (u8*)fhdr - skb->nh.raw;
+               IP6CB(skb)->nhoff = (u8*)fhdr - skb->nh.raw;
                return 1;
        }
 
@@ -722,11 +721,11 @@ static int ipv6_frag_rcv(struct sk_buff **skbp, unsigned int *nhoffp)
 
                spin_lock(&fq->lock);
 
-               ip6_frag_queue(fq, skb, fhdr, *nhoffp);
+               ip6_frag_queue(fq, skb, fhdr, IP6CB(skb)->nhoff);
 
                if (fq->last_in == (FIRST_IN|LAST_IN) &&
                    fq->meat == fq->len)
-                       ret = ip6_frag_reasm(fq, skbp, nhoffp, dev);
+                       ret = ip6_frag_reasm(fq, skbp, dev);
 
                spin_unlock(&fq->lock);
                fq_put(fq, NULL);