component/bt: fix Blufi sends customer data will congested when connection is broken
@@ -537,6 +537,13 @@ void btc_blufi_send_encap(uint8_t type, uint8_t *data, int total_data_len)
}
retry:
+ if (blufi_env.is_connected == false) {
+ BTC_TRACE_WARNING("%s ble connection is broken\n", __func__);
+ osi_free(hdr);
+ hdr = NULL;
+ return;
+ }
+
if (esp_ble_get_cur_sendable_packets_num(BTC_GATT_GET_CONN_ID(blufi_env.conn_id)) > 0) {
btc_blufi_send_notify((uint8_t *)hdr,
((hdr->fc & BLUFI_FC_CHECK) ?
