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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2006-04-19 11:14:07 +0900
committerGreg Kroah-Hartman <gregkh@suse.de>2006-04-24 09:56:04 -0700
commit7f43bdca496e120844c74cafde2f5a2cdee4ac4d (patch)
tree01c16f7b4986370cda7cd6db13bf6929e453089b /net
parent9c974666ab18eaa9c74eb0fb346271f343709a9d (diff)
[PATCH] IPV6: XFRM: Don't use old copy of pointer after pskb_may_pull().
[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: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/xfrm6_policy.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 91cce8b2d7a5..588922bd9264 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -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: