Merge pull request #5321 from tannewt/fix_scan_after_p_bond

Fix scanning after a peripheral bond has been made

Author: dhalbert

ports/nrf/common-hal/_bleio/Adapter.c

@@ -507,6 +507,16 @@ mp_obj_t common_hal_bleio_adapter_start_scan(bleio_adapter_obj_t *self, uint8_t
         }
         self->scan_results = NULL;
     }
+    // Check to see if advertising is going already.
+    if (self->current_advertising_data != NULL && self->current_advertising_data == self->advertising_data) {
+        check_nrf_error(NRF_ERROR_BUSY);
+    }
+
+    // If the current advertising data isn't owned by the adapter then it must be an internal
+    // advertisement that we should stop.
+    if (self->current_advertising_data != NULL) {
+        common_hal_bleio_adapter_stop_advertising(self);
+    }
     self->scan_results = shared_module_bleio_new_scanresults(buffer_size, prefixes, prefix_length, minimum_rssi);
     size_t max_packet_size = extended ? BLE_GAP_SCAN_BUFFER_EXTENDED_MAX_SUPPORTED : BLE_GAP_SCAN_BUFFER_MAX;
     uint8_t *raw_data = m_malloc(sizeof(ble_data_t) + max_packet_size, false);