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ipv6: xfrm: dereference inner ipv6 header if encapsulated

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In xfrm6_local_error use inner_header if the packet was encapsulated.

Cc: Steffen Klassert <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: Hannes Frederic Sowa <[email protected]>
Signed-off-by: Steffen Klassert <[email protected]>
This commit is contained in:
Hannes Frederic Sowa
2013-08-19 09:38:25 +02:00
committed by Steffen Klassert
parent 3d483058c8
commit 5d0ff542d0
1 changed files with 3 additions and 1 deletions
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net/ipv6/xfrm6_output.c
+3 -1
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@@ -59,10 +59,12 @@ static void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu)
void xfrm6_local_error(struct sk_buff *skb, u32 mtu)
{
struct flowi6 fl6;
const struct ipv6hdr *hdr;
struct sock *sk = skb->sk;
hdr = skb->encapsulation ? inner_ipv6_hdr(skb) : ipv6_hdr(skb);
fl6.fl6_dport = inet_sk(sk)->inet_dport;
fl6.daddr = ipv6_hdr(skb)->daddr;
fl6.daddr = hdr->daddr;
ipv6_local_error(sk, EMSGSIZE, &fl6, mtu);
}