Merge branch 'bugfix/spi_free_crash_uninitialized' into 'master'

spi: fixed crash when calling spi_bus_free when not initialized Closes IDFGH-7024 See merge request espressif/esp-idf!17573
2022-03-27 02:31:06 +08:00
parent 5c3d7b5524 bee9b6b9eb
commit 80904a5815
2 changed files with 5 additions and 1 deletions
@@ -159,7 +159,7 @@ esp_err_t spi_bus_initialize(spi_host_device_t host_id, const spi_bus_config_t *
 * @param host_id SPI peripheral to free
 * @return
 *         - ESP_ERR_INVALID_ARG   if parameter is invalid
- *         - ESP_ERR_INVALID_STATE if not all devices on the bus are freed
+ *         - ESP_ERR_INVALID_STATE if bus hasn't been initialized before, or not all devices on the bus are freed
 *         - ESP_OK                on success
 */
 esp_err_t spi_bus_free(spi_host_device_t host_id);