Interworking: Combine identical error returns into a single one

There is no need to maintain separate "return -1;" for each of the
wpa_config_set() calls that cannot really fail in practice.

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

wpa_supplicant/interworking.c

@@ -950,11 +950,9 @@ static int interworking_set_hs20_params(struct wpa_supplicant *wpa_s,
 	if (!key_mgmt)
 		key_mgmt = wpa_s->conf->pmf != NO_MGMT_FRAME_PROTECTION ?
 			"WPA-EAP WPA-EAP-SHA256" : "WPA-EAP";
-	if (wpa_config_set(ssid, "key_mgmt", key_mgmt, 0) < 0)
-		return -1;
-	if (wpa_config_set(ssid, "proto", "RSN", 0) < 0)
-		return -1;
-	if (wpa_config_set(ssid, "pairwise", "CCMP", 0) < 0)
+	if (wpa_config_set(ssid, "key_mgmt", key_mgmt, 0) < 0 ||
+	    wpa_config_set(ssid, "proto", "RSN", 0) < 0 ||
+	    wpa_config_set(ssid, "pairwise", "CCMP", 0) < 0)
 		return -1;
 	return 0;
 }