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Merge branch 'bugfix/spi_free_crash_uninitialized_v4.4' into 'release/v4.4'
spi: fixed crash when calling spi_bus_free when not initialized (v4.4) See merge request espressif/esp-idf!17608
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@ -163,7 +163,7 @@ esp_err_t spi_bus_initialize(spi_host_device_t host_id, const spi_bus_config_t *
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* @param host_id SPI peripheral to free
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* @return
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* - ESP_ERR_INVALID_ARG if parameter is invalid
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* - ESP_ERR_INVALID_STATE if not all devices on the bus are freed
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* - ESP_ERR_INVALID_STATE if bus hasn't been initialized before, or not all devices on the bus are freed
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* - ESP_OK on success
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*/
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esp_err_t spi_bus_free(spi_host_device_t host_id);
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@ -862,6 +862,10 @@ const spi_bus_attr_t* spi_bus_get_attr(spi_host_device_t host_id)
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esp_err_t spi_bus_free(spi_host_device_t host_id)
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{
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if (bus_ctx[host_id] == NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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esp_err_t err = ESP_OK;
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spicommon_bus_context_t* ctx = bus_ctx[host_id];
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spi_bus_attr_t* bus_attr = &ctx->bus_attr;
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