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netfilter: xt_hashlimit: fix unused variable warning if IPv6 disabled

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Fixes this warning when CONFIG_IP6_NF_IPTABLES is not enabled:

net/netfilter/xt_hashlimit.c: In function ‘hashlimit_init_dst’:
net/netfilter/xt_hashlimit.c:448:9: warning: unused variable ‘frag_off’ [-Wunused-variable]

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Stephen Rothwell 2012-01-11 11:52:17 +11:00 committed by Pablo Neira Ayuso
parent 7c7c7f01cc
commit 412662d204
1 changed files with 4 additions and 1 deletions
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5
net/netfilter/xt_hashlimit.c
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@ -445,7 +445,6 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
{
__be16 _ports[2], *ports;
u8 nexthdr;
__be16 frag_off;
int poff;
memset(dst, 0, sizeof(*dst));
@ -466,6 +465,9 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
break;
#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
case NFPROTO_IPV6:
{
__be16 frag_off;
if (hinfo->cfg.mode & XT_HASHLIMIT_HASH_DIP) {
memcpy(&dst->ip6.dst, &ipv6_hdr(skb)->daddr,
sizeof(dst->ip6.dst));
@ -485,6 +487,7 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
if ((int)protoff < 0)
return -1;
break;
}
#endif
default:
BUG();