The most useful ESP-IDF macro. Check for errors and return if not ESP_OK.

error_check_return.h

#ifndef COMPONENTS_ERROR_CHECK_RETURN_INCLUDE_ERROR_CHECK_RETURN_H_
#define COMPONENTS_ERROR_CHECK_RETURN_INCLUDE_ERROR_CHECK_RETURN_H_

#define ESP_ERROR_CHECK_RETURN(fn) ({                             \
	esp_err_t __ret = ESP_ERROR_CHECK_WITHOUT_ABORT((fn));    \
	if (__ret != ESP_OK) {                                    \
		return __ret;                                     \
	}                                                         \
	__ret;														                            \
})

#endif /* COMPONENTS_ERROR_CHECK_RETURN_INCLUDE_ERROR_CHECK_RETURN_H_ */