1102 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_resize()  local
1123 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_resize()
1124 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_resize()
1125 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_resize()
1128 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_resize()
1129 	sizestr = vol_args->name;  in btrfs_ioctl_resize()
1140 		devstr = vol_args->name;  in btrfs_ioctl_resize()
1237 	kfree(vol_args);  in btrfs_ioctl_resize()
1310 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_snap_create()  local
1316 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create()
1317 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create()
1318 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create()
1319 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create()
1322 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create()
1325 	kfree(vol_args);  in btrfs_ioctl_snap_create()
1332 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_snap_create_v2()  local
1340 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create_v2()
1341 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create_v2()
1342 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create_v2()
1343 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create_v2()
1345 	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {  in btrfs_ioctl_snap_create_v2()
1350 	if (vol_args->flags & BTRFS_SUBVOL_RDONLY)  in btrfs_ioctl_snap_create_v2()
1352 	if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {  in btrfs_ioctl_snap_create_v2()
1355 		if (vol_args->size < sizeof(*inherit) ||  in btrfs_ioctl_snap_create_v2()
1356 		    vol_args->size > PAGE_SIZE) {  in btrfs_ioctl_snap_create_v2()
1360 		inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size);  in btrfs_ioctl_snap_create_v2()
1375 		if (vol_args->size != struct_size(inherit, qgroups, nums)) {  in btrfs_ioctl_snap_create_v2()
1382 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create_v2()
1389 	kfree(vol_args);  in btrfs_ioctl_snap_create_v2()
2343 	struct btrfs_ioctl_vol_args *vol_args = NULL;  in btrfs_ioctl_snap_destroy()  local
2453 		vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_destroy()
2454 		if (IS_ERR(vol_args))  in btrfs_ioctl_snap_destroy()
2455 			return PTR_ERR(vol_args);  in btrfs_ioctl_snap_destroy()
2457 		vol_args->name[BTRFS_PATH_NAME_MAX] = 0;  in btrfs_ioctl_snap_destroy()
2458 		subvol_name = vol_args->name;  in btrfs_ioctl_snap_destroy()
2557 	kfree(vol_args);  in btrfs_ioctl_snap_destroy()
2626 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_add_dev()  local
2652 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_add_dev()
2653 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_add_dev()
2654 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_add_dev()
2658 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_add_dev()
2659 	ret = btrfs_init_new_device(fs_info, vol_args->name);  in btrfs_ioctl_add_dev()
2662 		btrfs_info(fs_info, "disk added %s", vol_args->name);  in btrfs_ioctl_add_dev()
2664 	kfree(vol_args);  in btrfs_ioctl_add_dev()
2678 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_rm_dev_v2()  local
2687 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev_v2()
2688 	if (IS_ERR(vol_args))  in btrfs_ioctl_rm_dev_v2()
2689 		return PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev_v2()
2691 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {  in btrfs_ioctl_rm_dev_v2()
2696 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev_v2()
2697 	if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) {  in btrfs_ioctl_rm_dev_v2()
2698 		args.devid = vol_args->devid;  in btrfs_ioctl_rm_dev_v2()
2699 	} else if (!strcmp("cancel", vol_args->name)) {  in btrfs_ioctl_rm_dev_v2()
2702 		ret = btrfs_get_dev_args_from_path(fs_info, &args, vol_args->name);  in btrfs_ioctl_rm_dev_v2()
2722 		if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
2724 					vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
2727 					vol_args->name);  in btrfs_ioctl_rm_dev_v2()
2735 	kfree(vol_args);  in btrfs_ioctl_rm_dev_v2()
2744 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_rm_dev()  local
2753 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev()
2754 	if (IS_ERR(vol_args))  in btrfs_ioctl_rm_dev()
2755 		return PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev()
2757 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev()
2758 	if (!strcmp("cancel", vol_args->name)) {  in btrfs_ioctl_rm_dev()
2761 		ret = btrfs_get_dev_args_from_path(fs_info, &args, vol_args->name);  in btrfs_ioctl_rm_dev()
2775 			btrfs_info(fs_info, "disk deleted %s", vol_args->name);  in btrfs_ioctl_rm_dev()
2784 	kfree(vol_args);  in btrfs_ioctl_rm_dev()