203 	unsigned long minsz;  in vfio_fsl_mc_ioctl()  local
212 		minsz = offsetofend(struct vfio_device_info, num_irqs);  in vfio_fsl_mc_ioctl()
214 		if (copy_from_user(&info, (void __user *)arg, minsz))  in vfio_fsl_mc_ioctl()
217 		if (info.argsz < minsz)  in vfio_fsl_mc_ioctl()
228 		return copy_to_user((void __user *)arg, &info, minsz) ?  in vfio_fsl_mc_ioctl()
235 		minsz = offsetofend(struct vfio_region_info, offset);  in vfio_fsl_mc_ioctl()
237 		if (copy_from_user(&info, (void __user *)arg, minsz))  in vfio_fsl_mc_ioctl()
240 		if (info.argsz < minsz)  in vfio_fsl_mc_ioctl()
251 		if (copy_to_user((void __user *)arg, &info, minsz))  in vfio_fsl_mc_ioctl()
259 		minsz = offsetofend(struct vfio_irq_info, count);  in vfio_fsl_mc_ioctl()
260 		if (copy_from_user(&info, (void __user *)arg, minsz))  in vfio_fsl_mc_ioctl()
263 		if (info.argsz < minsz)  in vfio_fsl_mc_ioctl()
272 		if (copy_to_user((void __user *)arg, &info, minsz))  in vfio_fsl_mc_ioctl()
283 		minsz = offsetofend(struct vfio_irq_set, count);  in vfio_fsl_mc_ioctl()
285 		if (copy_from_user(&hdr, (void __user *)arg, minsz))  in vfio_fsl_mc_ioctl()
294 			data = memdup_user((void __user *)(arg + minsz),  in vfio_fsl_mc_ioctl()