* @param port_id
* The port identifier of the device to detach.
* @param devname
- * A pointer to a device name actually detached.
+ * A pointer to a buffer that will be filled with the device name.
+ * This buffer must be at least RTE_DEV_NAME_MAX_LEN long.
* @return
* 0 on success and devname is filled, negative on error
*/