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[IPV6] XFRM: Don't use old copy of pointer after pskb_may_pull(). 

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-04-18 14:46:52 -07:00 committed by David S. Miller
parent ec6700958a
commit e3cae904d7
1 changed files with 3 additions and 1 deletions
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4
net/ipv6/xfrm6_policy.c
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@ -193,7 +193,7 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl)
{
u16 offset = sizeof(struct ipv6hdr);
struct ipv6hdr *hdr = skb->nh.ipv6h;
struct ipv6_opt_hdr *exthdr = (struct ipv6_opt_hdr*)(skb->nh.raw + offset);
struct ipv6_opt_hdr *exthdr;
u8 nexthdr = skb->nh.ipv6h->nexthdr;
memset(fl, 0, sizeof(struct flowi));
@ -201,6 +201,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl)
ipv6_addr_copy(&fl->fl6_src, &hdr->saddr);
while (pskb_may_pull(skb, skb->nh.raw + offset + 1 - skb->data)) {
exthdr = (struct ipv6_opt_hdr*)(skb->nh.raw + offset);
switch (nexthdr) {
case NEXTHDR_ROUTING:
case NEXTHDR_HOP: