1690 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_resize()  local
1711 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_resize()
1712 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_resize()
1713 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_resize()
1717 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_resize()
1719 	sizestr = vol_args->name;  in btrfs_ioctl_resize()
1724 		devstr = vol_args->name;  in btrfs_ioctl_resize()
1818 	kfree(vol_args);  in btrfs_ioctl_resize()
1899 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_snap_create()  local
1905 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create()
1906 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create()
1907 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create()
1908 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create()
1910 	ret = __btrfs_ioctl_snap_create(file, vol_args->name, vol_args->fd,  in btrfs_ioctl_snap_create()
1913 	kfree(vol_args);  in btrfs_ioctl_snap_create()
1920 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_snap_create_v2()  local
1928 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create_v2()
1929 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create_v2()
1930 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create_v2()
1931 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create_v2()
1933 	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {  in btrfs_ioctl_snap_create_v2()
1938 	if (vol_args->flags & BTRFS_SUBVOL_RDONLY)  in btrfs_ioctl_snap_create_v2()
1940 	if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {  in btrfs_ioctl_snap_create_v2()
1943 		if (vol_args->size < sizeof(*inherit) ||  in btrfs_ioctl_snap_create_v2()
1944 		    vol_args->size > PAGE_SIZE) {  in btrfs_ioctl_snap_create_v2()
1948 		inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size);  in btrfs_ioctl_snap_create_v2()
1963 		if (vol_args->size != struct_size(inherit, qgroups, nums)) {  in btrfs_ioctl_snap_create_v2()
1969 	ret = __btrfs_ioctl_snap_create(file, vol_args->name, vol_args->fd,  in btrfs_ioctl_snap_create_v2()
1976 	kfree(vol_args);  in btrfs_ioctl_snap_create_v2()
2954 	struct btrfs_ioctl_vol_args *vol_args = NULL;  in btrfs_ioctl_snap_destroy()  local
3039 		vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_destroy()
3040 		if (IS_ERR(vol_args))  in btrfs_ioctl_snap_destroy()
3041 			return PTR_ERR(vol_args);  in btrfs_ioctl_snap_destroy()
3043 		vol_args->name[BTRFS_PATH_NAME_MAX] = 0;  in btrfs_ioctl_snap_destroy()
3044 		subvol_name = vol_args->name;  in btrfs_ioctl_snap_destroy()
3143 	kfree(vol_args);  in btrfs_ioctl_snap_destroy()
3225 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_add_dev()  local
3234 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_add_dev()
3235 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_add_dev()
3236 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_add_dev()
3240 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_add_dev()
3241 	ret = btrfs_init_new_device(fs_info, vol_args->name);  in btrfs_ioctl_add_dev()
3244 		btrfs_info(fs_info, "disk added %s", vol_args->name);  in btrfs_ioctl_add_dev()
3246 	kfree(vol_args);  in btrfs_ioctl_add_dev()
3256 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_rm_dev_v2()  local
3266 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev_v2()
3267 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev_v2()
3268 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev_v2()
3272 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {  in btrfs_ioctl_rm_dev_v2()
3282 	if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) {  in btrfs_ioctl_rm_dev_v2()
3283 		ret = btrfs_rm_device(fs_info, NULL, vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3285 		vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev_v2()
3286 		ret = btrfs_rm_device(fs_info, vol_args->name, 0);  in btrfs_ioctl_rm_dev_v2()
3291 		if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
3293 					vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3296 					vol_args->name);  in btrfs_ioctl_rm_dev_v2()
3299 	kfree(vol_args);  in btrfs_ioctl_rm_dev_v2()
3309 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_rm_dev()  local
3324 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev()
3325 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev()
3326 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev()
3330 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev()
3331 	ret = btrfs_rm_device(fs_info, vol_args->name, 0);  in btrfs_ioctl_rm_dev()
3334 		btrfs_info(fs_info, "disk deleted %s", vol_args->name);  in btrfs_ioctl_rm_dev()
3335 	kfree(vol_args);  in btrfs_ioctl_rm_dev()