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[NETFILTER] ctnetlink: ICMP ID is not mandatory 

The ID is only required by ICMP type 8 (echo), so it's not
mandatory for all sort of ICMP connections. This patch makes
mandatory only the type and the code for ICMP netlink messages.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira Ayuso 2005-10-10 20:53:16 -07:00 committed by David S. Miller
parent d000eaf772
commit a1bcc3f268
1 changed files with 1 additions and 2 deletions
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3
net/ipv4/netfilter/ip_conntrack_proto_icmp.c
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@ -296,8 +296,7 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
struct ip_conntrack_tuple *tuple)
{
if (!tb[CTA_PROTO_ICMP_TYPE-1]
|| !tb[CTA_PROTO_ICMP_CODE-1]
|| !tb[CTA_PROTO_ICMP_ID-1])
|| !tb[CTA_PROTO_ICMP_CODE-1])
return -1;
tuple->dst.u.icmp.type =