DRM_COMMAND_BASE
((nr < DRM_COMMAND_BASE) || (nr >= DRM_COMMAND_END)))
(nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) &&
(nr < DRM_COMMAND_BASE + *dev->driver->num_compat_ioctls) &&
(dev->driver->compat_ioctls[nr - DRM_COMMAND_BASE].func != NULL)) {
ioctl = &dev->driver->compat_ioctls[nr - DRM_COMMAND_BASE];
if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) &&
(nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) {