1667 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_resize()  local
1688 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_resize()
1689 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_resize()
1690 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_resize()
1693 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_resize()
1694 	sizestr = vol_args->name;  in btrfs_ioctl_resize()
1705 		devstr = vol_args->name;  in btrfs_ioctl_resize()
1801 	kfree(vol_args);  in btrfs_ioctl_resize()
1874 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_snap_create()  local
1880 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create()
1881 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create()
1882 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create()
1883 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create()
1886 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create()
1889 	kfree(vol_args);  in btrfs_ioctl_snap_create()
1896 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_snap_create_v2()  local
1904 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create_v2()
1905 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create_v2()
1906 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create_v2()
1907 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create_v2()
1909 	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {  in btrfs_ioctl_snap_create_v2()
1914 	if (vol_args->flags & BTRFS_SUBVOL_RDONLY)  in btrfs_ioctl_snap_create_v2()
1916 	if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {  in btrfs_ioctl_snap_create_v2()
1919 		if (vol_args->size < sizeof(*inherit) ||  in btrfs_ioctl_snap_create_v2()
1920 		    vol_args->size > PAGE_SIZE) {  in btrfs_ioctl_snap_create_v2()
1924 		inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size);  in btrfs_ioctl_snap_create_v2()
1939 		if (vol_args->size != struct_size(inherit, qgroups, nums)) {  in btrfs_ioctl_snap_create_v2()
1946 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create_v2()
1953 	kfree(vol_args);  in btrfs_ioctl_snap_create_v2()
2910 	struct btrfs_ioctl_vol_args *vol_args = NULL;  in btrfs_ioctl_snap_destroy()  local
3013 		vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_destroy()
3014 		if (IS_ERR(vol_args))  in btrfs_ioctl_snap_destroy()
3015 			return PTR_ERR(vol_args);  in btrfs_ioctl_snap_destroy()
3017 		vol_args->name[BTRFS_PATH_NAME_MAX] = 0;  in btrfs_ioctl_snap_destroy()
3018 		subvol_name = vol_args->name;  in btrfs_ioctl_snap_destroy()
3119 	kfree(vol_args);  in btrfs_ioctl_snap_destroy()
3194 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_add_dev()  local
3203 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_add_dev()
3204 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_add_dev()
3205 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_add_dev()
3209 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_add_dev()
3210 	ret = btrfs_init_new_device(fs_info, vol_args->name);  in btrfs_ioctl_add_dev()
3213 		btrfs_info(fs_info, "disk added %s", vol_args->name);  in btrfs_ioctl_add_dev()
3215 	kfree(vol_args);  in btrfs_ioctl_add_dev()
3225 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_rm_dev_v2()  local
3238 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev_v2()
3239 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev_v2()
3240 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev_v2()
3244 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {  in btrfs_ioctl_rm_dev_v2()
3248 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev_v2()
3249 	if (!(vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) &&  in btrfs_ioctl_rm_dev_v2()
3250 	    strcmp("cancel", vol_args->name) == 0)  in btrfs_ioctl_rm_dev_v2()
3259 	if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
3260 		ret = btrfs_rm_device(fs_info, NULL, vol_args->devid, &bdev, &mode);  in btrfs_ioctl_rm_dev_v2()
3262 		ret = btrfs_rm_device(fs_info, vol_args->name, 0, &bdev, &mode);  in btrfs_ioctl_rm_dev_v2()
3267 		if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
3269 					vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3272 					vol_args->name);  in btrfs_ioctl_rm_dev_v2()
3275 	kfree(vol_args);  in btrfs_ioctl_rm_dev_v2()
3287 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_rm_dev()  local
3300 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev()
3301 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev()
3302 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev()
3305 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev()
3306 	cancel = (strcmp("cancel", vol_args->name) == 0);  in btrfs_ioctl_rm_dev()
3311 		ret = btrfs_rm_device(fs_info, vol_args->name, 0, &bdev, &mode);  in btrfs_ioctl_rm_dev()
3313 			btrfs_info(fs_info, "disk deleted %s", vol_args->name);  in btrfs_ioctl_rm_dev()
3317 	kfree(vol_args);  in btrfs_ioctl_rm_dev()