154 	unsigned long minsz;  in tce_iommu_ioctl()  local
177 		minsz = offsetofend(struct vfio_iommu_spapr_tce_info,  in tce_iommu_ioctl()
180 		if (copy_from_user(&info, (void __user *)arg, minsz))  in tce_iommu_ioctl()
183 		if (info.argsz < minsz)  in tce_iommu_ioctl()
190 		if (copy_to_user((void __user *)arg, &info, minsz))  in tce_iommu_ioctl()
205 		minsz = offsetofend(struct vfio_iommu_type1_dma_map, size);  in tce_iommu_ioctl()
207 		if (copy_from_user(&param, (void __user *)arg, minsz))  in tce_iommu_ioctl()
210 		if (param.argsz < minsz)  in tce_iommu_ioctl()
255 		minsz = offsetofend(struct vfio_iommu_type1_dma_unmap,  in tce_iommu_ioctl()
258 		if (copy_from_user(&param, (void __user *)arg, minsz))  in tce_iommu_ioctl()
261 		if (param.argsz < minsz)  in tce_iommu_ioctl()