netfilter: xtables: reduce indent level by one
Cosmetic only. Transformation applied:
-if (foo) { long block; } else { short block; }
+if (!foo) { short block; continue; } long block;
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 7ec4e40..82888bc 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -354,91 +354,87 @@
back = get_entry(table_base, private->underflow[hook]);
do {
+ struct ipt_entry_target *t;
+
IP_NF_ASSERT(e);
IP_NF_ASSERT(back);
- if (ip_packet_match(ip, indev, outdev,
+ if (!ip_packet_match(ip, indev, outdev,
&e->ip, mtpar.fragoff)) {
- struct ipt_entry_target *t;
+ no_match:
+ e = ipt_next_entry(e);
+ continue;
+ }
- if (IPT_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0)
- goto no_match;
+ if (IPT_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0)
+ goto no_match;
- ADD_COUNTER(e->counters, ntohs(ip->tot_len), 1);
+ ADD_COUNTER(e->counters, ntohs(ip->tot_len), 1);
- t = ipt_get_target(e);
- IP_NF_ASSERT(t->u.kernel.target);
+ t = ipt_get_target(e);
+ IP_NF_ASSERT(t->u.kernel.target);
#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
- /* The packet is traced: log it */
- if (unlikely(skb->nf_trace))
- trace_packet(skb, hook, in, out,
- table->name, private, e);
+ /* The packet is traced: log it */
+ if (unlikely(skb->nf_trace))
+ trace_packet(skb, hook, in, out,
+ table->name, private, e);
#endif
- /* Standard target? */
- if (!t->u.kernel.target->target) {
- int v;
+ /* Standard target? */
+ if (!t->u.kernel.target->target) {
+ int v;
- v = ((struct ipt_standard_target *)t)->verdict;
- if (v < 0) {
- /* Pop from stack? */
- if (v != IPT_RETURN) {
- verdict = (unsigned)(-v) - 1;
- break;
- }
- e = back;
- back = get_entry(table_base,
- back->comefrom);
- continue;
- }
- if (table_base + v != ipt_next_entry(e)
- && !(e->ip.flags & IPT_F_GOTO)) {
- /* Save old back ptr in next entry */
- struct ipt_entry *next
- = ipt_next_entry(e);
- next->comefrom
- = (void *)back - table_base;
- /* set back pointer to next entry */
- back = next;
- }
-
- e = get_entry(table_base, v);
- } else {
- /* Targets which reenter must return
- abs. verdicts */
- tgpar.target = t->u.kernel.target;
- tgpar.targinfo = t->data;
-#ifdef CONFIG_NETFILTER_DEBUG
- ((struct ipt_entry *)table_base)->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) {
- printk("Target %s reentered!\n",
- t->u.kernel.target->name);
- verdict = NF_DROP;
- }
- ((struct ipt_entry *)table_base)->comefrom
- = 0x57acc001;
-#endif
- /* Target might have changed stuff. */
- ip = ip_hdr(skb);
- datalen = skb->len - ip->ihl * 4;
-
- if (verdict == IPT_CONTINUE)
- e = ipt_next_entry(e);
- else
- /* Verdict */
+ v = ((struct ipt_standard_target *)t)->verdict;
+ if (v < 0) {
+ /* Pop from stack? */
+ if (v != IPT_RETURN) {
+ verdict = (unsigned)(-v) - 1;
break;
+ }
+ e = back;
+ back = get_entry(table_base, back->comefrom);
+ continue;
}
- } else {
+ if (table_base + v != ipt_next_entry(e)
+ && !(e->ip.flags & IPT_F_GOTO)) {
+ /* Save old back ptr in next entry */
+ struct ipt_entry *next = ipt_next_entry(e);
+ next->comefrom = (void *)back - table_base;
+ /* set back pointer to next entry */
+ back = next;
+ }
- no_match:
- e = ipt_next_entry(e);
+ e = get_entry(table_base, v);
+ } else {
+ /* Targets which reenter must return
+ abs. verdicts */
+ tgpar.target = t->u.kernel.target;
+ tgpar.targinfo = t->data;
+#ifdef CONFIG_NETFILTER_DEBUG
+ ((struct ipt_entry *)table_base)->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) {
+ printk("Target %s reentered!\n",
+ t->u.kernel.target->name);
+ verdict = NF_DROP;
+ }
+ ((struct ipt_entry *)table_base)->comefrom
+ = 0x57acc001;
+#endif
+ /* Target might have changed stuff. */
+ ip = ip_hdr(skb);
+ datalen = skb->len - ip->ihl * 4;
+
+ if (verdict == IPT_CONTINUE)
+ e = ipt_next_entry(e);
+ else
+ /* Verdict */
+ break;
}
} while (!hotdrop);
xt_info_rdunlock_bh();