USBDEVFS_DROP_PRIVILEGES   14 Documentation/usb/usbdevfs-drop-permissions.c #ifndef USBDEVFS_DROP_PRIVILEGES
USBDEVFS_DROP_PRIVILEGES   23 Documentation/usb/usbdevfs-drop-permissions.c 	res = ioctl(fd, USBDEVFS_DROP_PRIVILEGES, &mask);
USBDEVFS_DROP_PRIVILEGES 2669 drivers/usb/core/devio.c 	case USBDEVFS_DROP_PRIVILEGES: