atmodem: Allow missing DCS parameter in USSD result

diff --git a/drivers/atmodem/ussd.c b/drivers/atmodem/ussd.c
index 13b049f..1e1fc25 100644 (file)
--- a/drivers/atmodem/ussd.c
+++ b/drivers/atmodem/ussd.c
@@ -73,15 +73,15 @@ static void cusd_parse(GAtResult *result, struct ofono_ussd *ussd)
        if (!g_at_result_iter_next_string(&iter, &content))
                goto out;
 
-       if (!g_at_result_iter_next_number(&iter, &dcs))
-               goto out;
-
-       if (!cbs_dcs_decode(dcs, &udhi, NULL, &charset,
-                               &compressed, NULL, &iso639))
-               goto out;
-
-       if (udhi || compressed || iso639)
-               goto out;
+       if (g_at_result_iter_next_number(&iter, &dcs)) {
+               if (!cbs_dcs_decode(dcs, &udhi, NULL, &charset,
+                                       &compressed, NULL, &iso639))
+                       goto out;
+
+               if (udhi || compressed || iso639)
+                       goto out;
+       } else
+               charset = SMS_CHARSET_7BIT;
 
        if (charset == SMS_CHARSET_7BIT)
                converted = convert_gsm_to_utf8((const guint8 *) content,