devcgroup_check_permission
ret = devcgroup_check_permission(DEVCG_DEV_BLOCK,
return devcgroup_check_permission(DEVCG_DEV_CHAR, DRM_MAJOR,
int devcgroup_check_permission(short type, u32 major, u32 minor,
return devcgroup_check_permission(type, imajor(inode), iminor(inode),
return devcgroup_check_permission(type, MAJOR(dev), MINOR(dev),
EXPORT_SYMBOL(devcgroup_check_permission);