netfilter: xtables: remove some goto

Combining two ifs, and goto is easily gone.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

net/ipv4/netfilter/ip_tables.c

@@ -359,15 +359,12 @@ ipt_do_table(struct sk_buff *skb,
 		IP_NF_ASSERT(e);
 		IP_NF_ASSERT(back);
 		if (!ip_packet_match(ip, indev, outdev,
-		    &e->ip, mtpar.fragoff)) {
- no_match:
+		    &e->ip, mtpar.fragoff) ||
+		    IPT_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0) {
 			e = ipt_next_entry(e);
 			continue;
 		}
 
-		if (IPT_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0)
-			goto no_match;
-
 		ADD_COUNTER(e->counters, ntohs(ip->tot_len), 1);
 
 		t = ipt_get_target(e);

net/ipv6/netfilter/ip6_tables.c

@@ -386,15 +386,12 @@ ip6t_do_table(struct sk_buff *skb,
 		IP_NF_ASSERT(e);
 		IP_NF_ASSERT(back);
 		if (!ip6_packet_match(skb, indev, outdev, &e->ipv6,
-		    &mtpar.thoff, &mtpar.fragoff, &hotdrop)) {
- no_match:
+		    &mtpar.thoff, &mtpar.fragoff, &hotdrop) ||
+		    IP6T_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0) {
 			e = ip6t_next_entry(e);
 			continue;
 		}
 
-		if (IP6T_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0)
-			goto no_match;
-
 		ADD_COUNTER(e->counters,
 			    ntohs(ipv6_hdr(skb)->payload_len) +
 			    sizeof(struct ipv6hdr), 1);