totemconfig: generate mcast icmap items for UDP

Generating mcastaddr and mcastport in icmap make
sense only for UDP transport.

Signed-off-by: Bin Liu <bliu@suse.com>
Reviewed-by: Jan Friesse <jfriesse@redhat.com>

exec/totemconfig.c

@@ -1356,27 +1356,6 @@ extern int totem_config_read (
 			       "255.255.255.255", 0);
 	}
 
-	/*
-	 * Store automatically generated items back to icmap
-	 */
-	for (i = 0; i < INTERFACE_MAX; i++) {
-		if (!totem_config->interfaces[i].configured) {
-			continue;
-		}
-		snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", i);
-		if (icmap_get_string(tmp_key, &str) == CS_OK) {
-			free(str);
-		} else {
-			str = (char *)totemip_print(&totem_config->interfaces[i].mcast_addr);
-			icmap_set_string(tmp_key, str);
-		}
-
-		snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", i);
-		if (icmap_get_uint16(tmp_key, &u16) != CS_OK) {
-			icmap_set_uint16(tmp_key, totem_config->interfaces[i].ip_port);
-		}
-	}
-
 	totem_config->transport_number = TOTEM_TRANSPORT_KNET;
 	if (icmap_get_string("totem.transport", &str) == CS_OK) {
 		if (strcmp (str, "udpu") == 0) {
@@ -1394,6 +1373,29 @@ extern int totem_config_read (
 		free(str);
 	}
 
+	/*
+	 * Store automatically generated items back to icmap only for UDP
+	 */
+	if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
+		for (i = 0; i < INTERFACE_MAX; i++) {
+			if (!totem_config->interfaces[i].configured) {
+				continue;
+			}
+			snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", i);
+			if (icmap_get_string(tmp_key, &str) == CS_OK) {
+				free(str);
+			} else {
+				str = (char *)totemip_print(&totem_config->interfaces[i].mcast_addr);
+				icmap_set_string(tmp_key, str);
+			}
+
+			snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", i);
+			if (icmap_get_uint16(tmp_key, &u16) != CS_OK) {
+				icmap_set_uint16(tmp_key, totem_config->interfaces[i].ip_port);
+			}
+		}
+	}
+
 	/*
 	 * Check existence of nodelist
 	 */