[PATCH] 2.6.16.19 Fix the bug of "return 0 instead of the error code in ipt_register_table"

[lepton]

Hi,

There is a bug in ipt_register_table() in
net/ipv4/netfilter/ip_tables.c:

ipt_register_table() will return 0 instead of
the error code when xt_register_table() fails

Signed-off-by: Lepton Wu <ytht.net@xxxxxxxxx>

diff -prU 10 linux-2.6.16.19.oirg/net/ipv4/netfilter/ip_tables.c linux-2.6.16.19/net/ipv4/netfilter/ip_tables.c
--- linux-2.6.16.19.oirg/net/ipv4/netfilter/ip_tables.c	2006-05-31 08:31:44.000000000 +0800
+++ linux-2.6.16.19/net/ipv4/netfilter/ip_tables.c	2006-06-01 18:11:25.000000000 +0800
@@ -1235,21 +1235,22 @@ int ipt_register_table(struct xt_table *
 	ret = translate_table(table->name, table->valid_hooks,
 			      newinfo, loc_cpu_entry, repl->size,
 			      repl->num_entries,
 			      repl->hook_entry,
 			      repl->underflow);
 	if (ret != 0) {
 		xt_free_table_info(newinfo);
 		return ret;
 	}
 
-	if (xt_register_table(table, &bootstrap, newinfo) != 0) {
+	ret = xt_register_table(table, &bootstrap, newinfo);
+	if (ret) {
 		xt_free_table_info(newinfo);
 		return ret;
 	}
 
 	return 0;
 }
 
 void ipt_unregister_table(struct ipt_table *table)
 {
 	struct xt_table_info *private;
-
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