tipc: make the code look more readable

In commit 3b8401fe9d ("tipc: kill unnecessary goto's") didn't make
the code look most readable, so fix it. This patch is cosmetic
and does not change the operation of TIPC in any way.

Suggested-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 83f466e..5efdeef 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -751,13 +751,10 @@
 
 	/* Handle special cases where there is no connection */
 	if (unlikely(sock->state != SS_CONNECTED)) {
-		res = -ENOTCONN;
-
 		if (sock->state == SS_UNCONNECTED)
 			res = send_packet(NULL, sock, m, total_len);
-		else if (sock->state == SS_DISCONNECTING)
-			res = -EPIPE;
-
+		else
+			res = sock->state == SS_DISCONNECTING ? -EPIPE : -ENOTCONN;
 		goto exit;
 	}