From 7f43bdca496e120844c74cafde2f5a2cdee4ac4d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?YOSHIFUJI=20Hideaki=20/=20=1B=24B5HF=231QL=40=1B=28B?= Date: Wed, 19 Apr 2006 11:14:07 +0900 Subject: [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 Signed-off-by: Greg Kroah-Hartman --- net/ipv6/xfrm6_policy.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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: -- cgit v1.2.3