61 	unsigned long minsz;  in vfio_df_ioctl_bind_iommufd()  local
66 	minsz = offsetofend(struct vfio_device_bind_iommufd, out_devid);  in vfio_df_ioctl_bind_iommufd()
68 	if (copy_from_user(&bind, arg, minsz))  in vfio_df_ioctl_bind_iommufd()
71 	if (bind.argsz < minsz || bind.flags || bind.iommufd < 0)  in vfio_df_ioctl_bind_iommufd()
160 	unsigned long minsz;  in vfio_df_ioctl_attach_pt()  local
163 	minsz = offsetofend(struct vfio_device_attach_iommufd_pt, pt_id);  in vfio_df_ioctl_attach_pt()
165 	if (copy_from_user(&attach, arg, minsz))  in vfio_df_ioctl_attach_pt()
168 	if (attach.argsz < minsz || attach.flags)  in vfio_df_ioctl_attach_pt()
196 	unsigned long minsz;  in vfio_df_ioctl_detach_pt()  local
198 	minsz = offsetofend(struct vfio_device_detach_iommufd_pt, flags);  in vfio_df_ioctl_detach_pt()
200 	if (copy_from_user(&detach, arg, minsz))  in vfio_df_ioctl_detach_pt()
203 	if (detach.argsz < minsz || detach.flags)  in vfio_df_ioctl_detach_pt()