bridge: mdb: reduce the indentation level in br_mdb_fill_info

Switch the port check and skip if it's null, this allows us to reduce one
indentation level.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/bridge/br_mdb.c

@@ -88,25 +88,26 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
 			for (pp = &mp->ports;
 			     (p = rcu_dereference(*pp)) != NULL;
 			      pp = &p->next) {
+				struct br_mdb_entry e;
+
 				port = p->port;
-				if (port) {
-					struct br_mdb_entry e;
-					memset(&e, 0, sizeof(e));
-					e.ifindex = port->dev->ifindex;
-					e.vid = p->addr.vid;
-					__mdb_entry_fill_flags(&e, p->flags);
-					if (p->addr.proto == htons(ETH_P_IP))
-						e.addr.u.ip4 = p->addr.u.ip4;
+				if (!port)
+					continue;
+				memset(&e, 0, sizeof(e));
+				e.ifindex = port->dev->ifindex;
+				e.vid = p->addr.vid;
+				__mdb_entry_fill_flags(&e, p->flags);
+				if (p->addr.proto == htons(ETH_P_IP))
+					e.addr.u.ip4 = p->addr.u.ip4;
 #if IS_ENABLED(CONFIG_IPV6)
-					if (p->addr.proto == htons(ETH_P_IPV6))
-						e.addr.u.ip6 = p->addr.u.ip6;
+				if (p->addr.proto == htons(ETH_P_IPV6))
+					e.addr.u.ip6 = p->addr.u.ip6;
 #endif
-					e.addr.proto = p->addr.proto;
-					if (nla_put(skb, MDBA_MDB_ENTRY_INFO, sizeof(e), &e)) {
-						nla_nest_cancel(skb, nest2);
-						err = -EMSGSIZE;
-						goto out;
-					}
+				e.addr.proto = p->addr.proto;
+				if (nla_put(skb, MDBA_MDB_ENTRY_INFO, sizeof(e), &e)) {
+					nla_nest_cancel(skb, nest2);
+					err = -EMSGSIZE;
+					goto out;
 				}
 			}
 			nla_nest_end(skb, nest2);