Commit 280b0b8e authored by Jonathan Lemon's avatar Jonathan Lemon Committed by David S. Miller
Browse files

ipv6: remove printk 



ipv6_find_hdr() prints a non-rate limited error message
when it cannot find an ipv6 header at a specific offset.
This could be used as a DoS, so just remove it.

Signed-off-by: default avatarJonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent edcde3ee

net/ipv6/exthdrs_core.c

+1 −3
Original line number Diff line number Diff line
@@ -197,10 +197,8 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, 
		struct ipv6hdr _ip6, *ip6;



		ip6 = skb_header_pointer(skb, *offset, sizeof(_ip6), &_ip6);

		if (!ip6 || (ip6->version != 6)) {

			printk(KERN_ERR "IPv6 header not found\n");

		if (!ip6 || (ip6->version != 6))

			return -EBADMSG;

		}

		start = *offset + sizeof(struct ipv6hdr);

		nexthdr = ip6->nexthdr;

	}

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