2275 	struct btrfs_ioctl_get_subvol_rootref_args *rootrefs;  in btrfs_ioctl_get_subvol_rootref()  local
2289 	rootrefs = memdup_user(argp, sizeof(*rootrefs));  in btrfs_ioctl_get_subvol_rootref()
2290 	if (IS_ERR(rootrefs)) {  in btrfs_ioctl_get_subvol_rootref()
2292 		return PTR_ERR(rootrefs);  in btrfs_ioctl_get_subvol_rootref()
2298 	key.offset = rootrefs->min_treeid;  in btrfs_ioctl_get_subvol_rootref()
2331 		rootrefs->rootref[found].treeid = key.offset;  in btrfs_ioctl_get_subvol_rootref()
2332 		rootrefs->rootref[found].dirid =  in btrfs_ioctl_get_subvol_rootref()
2349 		rootrefs->num_items = found;  in btrfs_ioctl_get_subvol_rootref()
2352 			rootrefs->min_treeid =  in btrfs_ioctl_get_subvol_rootref()
2353 				rootrefs->rootref[found - 1].treeid + 1;  in btrfs_ioctl_get_subvol_rootref()
2354 		if (copy_to_user(argp, rootrefs, sizeof(*rootrefs)))  in btrfs_ioctl_get_subvol_rootref()
2358 	kfree(rootrefs);  in btrfs_ioctl_get_subvol_rootref()