tform_open_device);
 
 int vfio_platform_ioctl_get_region_info(struct vfio_device *core_vdev,
-					struct vfio_region_info __user *arg)
+					struct vfio_region_info *info,
+					struct vfio_info_cap *caps)
 {
 	struct vfio_platform_device *vdev =
 		container_of(core_vdev, struct vfio_platform_device, vdev);
-	struct vfio_region_info info;
-	unsigned long minsz;
 
-	minsz = offsetofend(struct vfio_region_info, offset);
-
-	if (copy_from_user(&info, arg, minsz))
-		return -EFAULT;
-
-	if (info.argsz < minsz)
-		return -EINVAL;
-
-	if (info.index >= vdev->num_regions)
+	if (info->index >= vdev->num_regions)
 		return -EINVAL;
 
 	/* map offset to the physical address  */
-	info.offset = VFIO_PLATFORM_INDEX_TO_OFFSET(info.index);
-	info.size = vdev->regions[info.index].size;
-	info.flags = vdev->regions[info.index].flags;
-
-	return copy_to_user(arg, &info, minsz) ? -EFAULT : 0;
+	info->offset = VFIO_PLATFORM_INDEX_TO_OFFSET(info->index);
+	info->size = vdev->regions[info->index].size;
+	info->flags = vdev->regions[info->index].flags;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(vfio_platform_ioctl_get_region_info);
 
diff --git a/drivers/vfio/platform/vfio_platform_private.h b/drivers/vfio/platform/vfio_platform_private.h
index a6008320e77bae..05084212a76eb6 100644
--- a/drivers/vfio/platform/vfio_platform_private.h
+++ b/drivers/vfio/platform/vfio_platform_private.h
@@ -86,7 +86,8 @@ void vfio_platform_close_device(struct vfio_device *core_vdev);
 long vfio_platform_ioctl(struct vfio_device *core_vdev,
 			 unsigned int cmd, unsigned long arg);
 int vfio_platform_ioctl_get_region_info(struct vfio_device *core_vdev,
-					struct vfio_region_info __user *arg);
+					struct vfio_region_info *info,
+					struct vfio_info_cap *caps);
 ssize_t vfio_platform_read(struct vfio_device *core_vdev,
 			   char __user *buf, size_t count,
 			   loff_t *ppos);
-- 
2.43.0[PATCH 20/22] vfio/platform: Convert to get_region_info_capsJason Gunthorpe <jgg@nvidia.com> undefinedAlexander Gordeev <agordeev@linux.ibm.com>, David Airlie <airlied@gmail.com>, Alex Williamson <alex.williamson@redhat.com>, Ankit Agrawal <ankita@nvidia.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Brett Creeley <brett.creeley@amd.com>, dri-devel@lists.freedesktop.org, Eric Auger <eric.auger@redhat.com>, Eric Farman <farman@linux.ibm.com>, Giovanni Cabiddu <giovanni.cabiddu@intel.com>, Vasily Gorbik <gor@linux.ibm.com>, Heiko Carstens <hca@linux.ibm.com>, intel-gfx@lists.freedesktop.org, Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Kevin Tian <kevin.tian@intel.com>, kvm@vger.kernel.org, Kirti Wankhede <kwankhede@nvidia.com>, linux-s390@vger.kernel.org, Longfang Liu <liulongfang@huawei.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Nikhil Agarwal <nikhil.agarwal@amd.com>, Nipun Gupta <nipun.gupta@amd.com>, Peter Oberparleiter <oberpar@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>, Pranjal Shrivastava <praan@google.com>, qat-linux@intel.com, Rodrigo Vivi <rodrigo.vivi@intel.com>, Simona Vetter <simona@ffwll.ch>, Shameer Kolothum <skolothumtho@nvidia.com>, Mostafa Saleh <smostafa@google.com>, Sven Schnelle <svens@linux.ibm.com>, Tvrtko Ursulin <tursulin@ursulin.net>, virtualization@lists.linux.dev, Vineeth Vijayan <vneethv@linux.ibm.com>, Yishai Hadas <yishaih@nvidia.com>, Zhenyu Wang <zhenyuw.linux@gmail.com>, Zhi Wang <zhi.wang.linux@gmail.com> undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined§