fw_cdev_remove_descriptor 416 drivers/firewire/core-cdev.c struct fw_cdev_remove_descriptor remove_descriptor; fw_cdev_remove_descriptor 406 include/uapi/linux/firewire-cdev.h #define FW_CDEV_IOC_REMOVE_DESCRIPTOR _IOW('#', 0x07, struct fw_cdev_remove_descriptor)