fhss_tx_handle update

Function return -2 also when unicast channel count is 0.

Author: Juha Heiskanen

source/Service_Libs/fhss/fhss_ws.c

@@ -613,15 +613,11 @@ static int fhss_ws_tx_handle_callback(const fhss_api_t *api, bool is_broadcast_a
     }
     if (fhss_structure->fhss_state == FHSS_SYNCHRONIZED) {
         fhss_ws_neighbor_timing_info_t *neighbor_timing_info = fhss_structure->ws->get_neighbor_info(api, destination_address);
-        if (!neighbor_timing_info) {
+        if (!neighbor_timing_info || neighbor_timing_info->uc_timing_info.unicast_number_of_channels == 0) {
             fhss_stats_update(fhss_structure, STATS_FHSS_UNKNOWN_NEIGHBOR, 1);
             return -2;
         }
 
-        if (neighbor_timing_info->uc_timing_info.unicast_number_of_channels == 0) {
-            return -1;
-        }
-
         uint16_t destination_slot = fhss_ws_calculate_destination_slot(neighbor_timing_info, tx_time);
         int32_t tx_channel = neighbor_timing_info->uc_timing_info.fixed_channel;
         if (neighbor_timing_info->uc_timing_info.unicast_channel_function == WS_TR51CF) {