From bcc452935da124f26885e969ec5a78a8735d1452 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 26 Sep 2012 01:39:20 +0000 Subject: [PATCH] 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: Eric Dumazet Reported-by: Dan Carpenter Signed-off-by: David S. Miller --- net/ipv6/ip6_gre.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 613a16647741..0185679c5f53 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -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 = { -- 2.34.1