diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 5a178be6c8c..5164e0bf3bc 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -343,6 +343,8 @@ ip6t_do_table(struct sk_buff *skb, const struct net_device *out, struct xt_table *table) { +#define tb_comefrom ((struct ip6t_entry *)table_base)->comefrom + static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); bool hotdrop = false; /* Initializing verdict to NF_DROP keeps gcc happy. */ @@ -440,18 +442,17 @@ ip6t_do_table(struct sk_buff *skb, tgpar.targinfo = t->data; #ifdef CONFIG_NETFILTER_DEBUG - ((struct ip6t_entry *)table_base)->comefrom = 0xeeeeeeec; + tb_comefrom = 0xeeeeeeec; #endif verdict = t->u.kernel.target->target(skb, &tgpar); #ifdef CONFIG_NETFILTER_DEBUG - if (((struct ip6t_entry *)table_base)->comefrom != 0xeeeeeeec && - verdict == IP6T_CONTINUE) { + if (tb_comefrom != 0xeeeeeeec && verdict == IP6T_CONTINUE) { printk("Target %s reentered!\n", t->u.kernel.target->name); verdict = NF_DROP; } - ((struct ip6t_entry *)table_base)->comefrom = 0x57acc001; + tb_comefrom = 0x57acc001; #endif if (verdict == IP6T_CONTINUE) e = ip6t_next_entry(e); @@ -461,7 +462,7 @@ ip6t_do_table(struct sk_buff *skb, } while (!hotdrop); #ifdef CONFIG_NETFILTER_DEBUG - ((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON; + tb_comefrom = NETFILTER_LINK_POISON; #endif xt_info_rdunlock_bh(); @@ -472,6 +473,8 @@ ip6t_do_table(struct sk_buff *skb, return NF_DROP; else return verdict; #endif + +#undef tb_comefrom } /* Figures out from what hook each rule can be called: returns 0 if |