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Commit bcc45293 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

ipv6: gre: remove ip6gre_header_parse() 



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

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e2bcabec

net/ipv6/ip6_gre.c

+0 −8
Original line number Original line Diff line number Diff line
@@ -1279,16 +1279,8 @@ static int ip6gre_header(struct sk_buff *skb, struct net_device *dev, 
	return -t->hlen;

	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 = {

static const struct header_ops ip6gre_header_ops = {

	.create	= ip6gre_header,

	.create	= ip6gre_header,

	.parse	= ip6gre_header_parse,

};

};





static const struct net_device_ops ip6gre_netdev_ops = {

static const struct net_device_ops ip6gre_netdev_ops = {