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ipv6: gre: remove ip6gre_header_parse()

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dev_parse_header() callers provide 8 bytes of storage,
so it's not possible to store an IPv6 address.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-09-26 01:39:20 +00:00 committed by David S. Miller
parent e2bcabec6e
commit bcc452935d
1 changed files with 0 additions and 8 deletions
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8
net/ipv6/ip6_gre.c
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@ -1279,16 +1279,8 @@ static int ip6gre_header(struct sk_buff *skb, struct net_device *dev,
return -t->hlen;
}
static int ip6gre_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{
const struct ipv6hdr *ipv6h = (const struct ipv6hdr *)skb_mac_header(skb);
memcpy(haddr, &ipv6h->saddr, sizeof(struct in6_addr));
return sizeof(struct in6_addr);
}
static const struct header_ops ip6gre_header_ops = {
.create = ip6gre_header,
.parse = ip6gre_header_parse,
};
static const struct net_device_ops ip6gre_netdev_ops = {