net: fib6: reduce identation in ip6_convert_metrics

Reduce the identation a bit, there's no need to artificically have
it increased.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/route.c

@@ -1711,12 +1711,13 @@ static int ip6_convert_metrics(struct mx6_config *mxc,
 
 	nla_for_each_attr(nla, cfg->fc_mx, cfg->fc_mx_len, remaining) {
 		int type = nla_type(nla);
-
-		if (type) {
 		u32 val;
 
+		if (!type)
+			continue;
 		if (unlikely(type > RTAX_MAX))
 			goto err;
+
 		if (type == RTAX_CC_ALGO) {
 			char tmp[TCP_CA_NAME_MAX];
 
@@ -1731,7 +1732,6 @@ static int ip6_convert_metrics(struct mx6_config *mxc,
 		mp[type - 1] = val;
 		__set_bit(type - 1, mxc->mx_valid);
 	}
-	}
 
 	mxc->mx = mp;