299 	unsigned long minsz;  in vfio_platform_ioctl()  local
304 		minsz = offsetofend(struct vfio_device_info, num_irqs);  in vfio_platform_ioctl()
306 		if (copy_from_user(&info, (void __user *)arg, minsz))  in vfio_platform_ioctl()
309 		if (info.argsz < minsz)  in vfio_platform_ioctl()
318 		return copy_to_user((void __user *)arg, &info, minsz) ?  in vfio_platform_ioctl()
324 		minsz = offsetofend(struct vfio_irq_info, count);  in vfio_platform_ioctl()
326 		if (copy_from_user(&info, (void __user *)arg, minsz))  in vfio_platform_ioctl()
329 		if (info.argsz < minsz)  in vfio_platform_ioctl()
338 		return copy_to_user((void __user *)arg, &info, minsz) ?  in vfio_platform_ioctl()
347 		minsz = offsetofend(struct vfio_irq_set, count);  in vfio_platform_ioctl()
349 		if (copy_from_user(&hdr, (void __user *)arg, minsz))  in vfio_platform_ioctl()
358 			data = memdup_user((void __user *)(arg + minsz),  in vfio_platform_ioctl()