[NETFILTER]: Convert ip_tables matches/targets to centralized error checking
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter/ipt_SAME.c b/net/ipv4/netfilter/ipt_SAME.c
index a22de59..8743c3a 100644
--- a/net/ipv4/netfilter/ipt_SAME.c
+++ b/net/ipv4/netfilter/ipt_SAME.c
@@ -59,18 +59,6 @@
mr->ipnum = 0;
- if (strcmp(tablename, "nat") != 0) {
- DEBUGP("same_check: bad table `%s'.\n", tablename);
- return 0;
- }
- if (targinfosize != IPT_ALIGN(sizeof(*mr))) {
- DEBUGP("same_check: size %u.\n", targinfosize);
- return 0;
- }
- if (hook_mask & ~(1 << NF_IP_PRE_ROUTING | 1 << NF_IP_POST_ROUTING)) {
- DEBUGP("same_check: bad hooks %x.\n", hook_mask);
- return 0;
- }
if (mr->rangesize < 1) {
DEBUGP("same_check: need at least one dest range.\n");
return 0;
@@ -191,6 +179,9 @@
static struct ipt_target same_reg = {
.name = "SAME",
.target = same_target,
+ .targetsize = sizeof(struct ipt_same_info),
+ .table = "nat",
+ .hooks = (1 << NF_IP_PRE_ROUTING | 1 << NF_IP_POST_ROUTING),
.checkentry = same_check,
.destroy = same_destroy,
.me = THIS_MODULE,