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| author | Jan Engelhardt <jengelh@medozas.de> | 2009-04-15 23:06:05 +0400 |
|---|---|---|
| committer | Jan Engelhardt <jengelh@medozas.de> | 2009-05-08 12:30:48 +0400 |
| commit | 98e86403162d08a30b03426c54c2a8fca1f695d1 (patch) | |
| tree | 0b610ebf8ce2978a9de090435607617f545252ae /net/bridge | |
| parent | 4f2f6f236af484ada595ff37d0ee1902aa56221f (diff) | |
| download | linux-98e86403162d08a30b03426c54c2a8fca1f695d1.tar.xz | |
netfilter: xtables: consolidate open-coded logic
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/netfilter/ebtables.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 820252aee81f..24555834d431 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -142,6 +142,12 @@ static inline int ebt_basic_match(struct ebt_entry *e, struct ethhdr *h, return 0; } +static inline __pure +struct ebt_entry *ebt_next_entry(const struct ebt_entry *entry) +{ + return (void *)entry + entry->next_offset; +} + /* Do some firewalling */ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, @@ -249,8 +255,7 @@ letsreturn: /* jump to a udc */ cs[sp].n = i + 1; cs[sp].chaininfo = chaininfo; - cs[sp].e = (struct ebt_entry *) - (((char *)point) + point->next_offset); + cs[sp].e = ebt_next_entry(point); i = 0; chaininfo = (struct ebt_entries *) (base + verdict); #ifdef CONFIG_NETFILTER_DEBUG @@ -266,8 +271,7 @@ letsreturn: sp++; continue; letscontinue: - point = (struct ebt_entry *) - (((char *)point) + point->next_offset); + point = ebt_next_entry(point); i++; } @@ -787,7 +791,7 @@ static int check_chainloops(struct ebt_entries *chain, struct ebt_cl_stack *cl_s /* this can't be 0, so the loop test is correct */ cl_s[i].cs.n = pos + 1; pos = 0; - cl_s[i].cs.e = ((void *)e + e->next_offset); + cl_s[i].cs.e = ebt_next_entry(e); e = (struct ebt_entry *)(hlp2->data); nentries = hlp2->nentries; cl_s[i].from = chain_nr; @@ -797,7 +801,7 @@ static int check_chainloops(struct ebt_entries *chain, struct ebt_cl_stack *cl_s continue; } letscontinue: - e = (void *)e + e->next_offset; + e = ebt_next_entry(e); pos++; } return 0; |