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| author | Jan Engelhardt <jengelh@medozas.de> | 2009-04-15 21:40:13 +0200 |
|---|---|---|
| committer | Jan Engelhardt <jengelh@medozas.de> | 2009-05-08 10:30:49 +0200 |
| commit | bb70dfa5f8ab4a0f1c699ddb3ef0276d91219b7c (patch) | |
| tree | 23c091d2be214b26d87d7800ca363288510311a3 /net/ipv4/netfilter/ip_tables.c | |
| parent | 7a6b1c46e28ab0511be26c238d552c00b51b88c5 (diff) | |
| download | linux-bb70dfa5f8ab4a0f1c699ddb3ef0276d91219b7c.tar.gz | |
netfilter: xtables: consolidate comefrom debug cast access
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'net/ipv4/netfilter/ip_tables.c')
| -rw-r--r-- | net/ipv4/netfilter/ip_tables.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index d91ecd4c264e0d..7b35c0b3841bce 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -311,6 +311,8 @@ ipt_do_table(struct sk_buff *skb, const struct net_device *out, struct xt_table *table) { +#define tb_comefrom ((struct ipt_entry *)table_base)->comefrom + static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); const struct iphdr *ip; u_int16_t datalen; @@ -409,18 +411,19 @@ ipt_do_table(struct sk_buff *skb, abs. verdicts */ tgpar.target = t->u.kernel.target; tgpar.targinfo = t->data; + + #ifdef CONFIG_NETFILTER_DEBUG - ((struct ipt_entry *)table_base)->comefrom = 0xeeeeeeec; + tb_comefrom = 0xeeeeeeec; #endif verdict = t->u.kernel.target->target(skb, &tgpar); #ifdef CONFIG_NETFILTER_DEBUG - if (((struct ipt_entry *)table_base)->comefrom != 0xeeeeeeec && - verdict == IPT_CONTINUE) { + if (comefrom != 0xeeeeeeec && verdict == IPT_CONTINUE) { printk("Target %s reentered!\n", t->u.kernel.target->name); verdict = NF_DROP; } - ((struct ipt_entry *)table_base)->comefrom = 0x57acc001; + tb_comefrom = 0x57acc001; #endif /* Target might have changed stuff. */ ip = ip_hdr(skb); @@ -441,6 +444,8 @@ ipt_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 |