diff --git a/components/bt/host/bluedroid/api/esp_spp_api.c b/components/bt/host/bluedroid/api/esp_spp_api.c index 040fe4a469..0c8553d481 100644 --- a/components/bt/host/bluedroid/api/esp_spp_api.c +++ b/components/bt/host/bluedroid/api/esp_spp_api.c @@ -195,6 +195,11 @@ esp_err_t esp_spp_write(uint32_t handle, int len, uint8_t *p_data) btc_spp_args_t arg; ESP_BLUEDROID_STATUS_CHECK(ESP_BLUEDROID_STATUS_ENABLED); + if (len <= 0 || p_data == NULL) { + LOG_ERROR("Invalid data or len!\n"); + return ESP_ERR_INVALID_ARG; + } + msg.sig = BTC_SIG_API_CALL; msg.pid = BTC_PID_SPP; msg.act = BTC_SPP_ACT_WRITE;