945 static int btrfs_parse_subvol_options(const char *options, char **subvol_name,  in btrfs_parse_subvol_options()  argument
973 			kfree(*subvol_name);  in btrfs_parse_subvol_options()
974 			*subvol_name = match_strdup(&args[0]);  in btrfs_parse_subvol_options()
975 			if (!*subvol_name) {  in btrfs_parse_subvol_options()
1286 	const char *subvol_name;  in btrfs_show_options()  local
1371 	subvol_name = btrfs_get_subvol_name_from_objectid(info,  in btrfs_show_options()
1373 	if (!IS_ERR(subvol_name)) {  in btrfs_show_options()
1375 		seq_escape(seq, subvol_name, " \t\n\\");  in btrfs_show_options()
1376 		kfree(subvol_name);  in btrfs_show_options()
1407 static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid,  in mount_subvol()  argument
1413 	if (!subvol_name) {  in mount_subvol()
1422 		subvol_name = btrfs_get_subvol_name_from_objectid(  in mount_subvol()
1424 		if (IS_ERR(subvol_name)) {  in mount_subvol()
1425 			root = ERR_CAST(subvol_name);  in mount_subvol()
1426 			subvol_name = NULL;  in mount_subvol()
1432 	root = mount_subtree(mnt, subvol_name);  in mount_subvol()
1445 			       subvol_name);  in mount_subvol()
1456 				  subvol_name, subvol_objectid);  in mount_subvol()
1468 	kfree(subvol_name);  in mount_subvol()
1666 	char *subvol_name = NULL;  in btrfs_mount()  local
1673 	error = btrfs_parse_subvol_options(data, &subvol_name,  in btrfs_mount()
1676 		kfree(subvol_name);  in btrfs_mount()
1691 				kfree(subvol_name);  in btrfs_mount()
1701 				kfree(subvol_name);  in btrfs_mount()
1708 		kfree(subvol_name);  in btrfs_mount()
1713 	root = mount_subvol(subvol_name, subvol_objectid, device_name, mnt_root);  in btrfs_mount()