WPS: Merge common error paths in HTTP server

There is no need to maintain three separate "goto fail" cases.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/wps/http_server.c

@@ -277,11 +277,9 @@ struct http_server * http_server_init(struct in_addr *addr, int port,
 			   "%s", srv->port, strerror(errno));
 		goto fail;
 	}
-	if (listen(srv->fd, 10 /* max backlog */) < 0)
-		goto fail;
-	if (fcntl(srv->fd, F_SETFL, O_NONBLOCK) < 0)
-		goto fail;
-	if (eloop_register_sock(srv->fd, EVENT_TYPE_READ, http_server_cb,
+	if (listen(srv->fd, 10 /* max backlog */) < 0 ||
+	    fcntl(srv->fd, F_SETFL, O_NONBLOCK) < 0 ||
+	    eloop_register_sock(srv->fd, EVENT_TYPE_READ, http_server_cb,
 				srv, NULL))
 		goto fail;