1687 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_resize()  local
1708 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_resize()
1709 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_resize()
1710 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_resize()
1714 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_resize()
1716 	sizestr = vol_args->name;  in btrfs_ioctl_resize()
1721 		devstr = vol_args->name;  in btrfs_ioctl_resize()
1815 	kfree(vol_args);  in btrfs_ioctl_resize()
1887 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_snap_create()  local
1893 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create()
1894 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create()
1895 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create()
1896 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create()
1898 	ret = __btrfs_ioctl_snap_create(file, vol_args->name, vol_args->fd,  in btrfs_ioctl_snap_create()
1901 	kfree(vol_args);  in btrfs_ioctl_snap_create()
1908 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_snap_create_v2()  local
1916 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create_v2()
1917 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create_v2()
1918 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create_v2()
1919 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create_v2()
1921 	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {  in btrfs_ioctl_snap_create_v2()
1926 	if (vol_args->flags & BTRFS_SUBVOL_RDONLY)  in btrfs_ioctl_snap_create_v2()
1928 	if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {  in btrfs_ioctl_snap_create_v2()
1931 		if (vol_args->size < sizeof(*inherit) ||  in btrfs_ioctl_snap_create_v2()
1932 		    vol_args->size > PAGE_SIZE) {  in btrfs_ioctl_snap_create_v2()
1936 		inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size);  in btrfs_ioctl_snap_create_v2()
1951 		if (vol_args->size != struct_size(inherit, qgroups, nums)) {  in btrfs_ioctl_snap_create_v2()
1957 	ret = __btrfs_ioctl_snap_create(file, vol_args->name, vol_args->fd,  in btrfs_ioctl_snap_create_v2()
1964 	kfree(vol_args);  in btrfs_ioctl_snap_create_v2()
2936 	struct btrfs_ioctl_vol_args *vol_args = NULL;  in btrfs_ioctl_snap_destroy()  local
3021 		vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_destroy()
3022 		if (IS_ERR(vol_args))  in btrfs_ioctl_snap_destroy()
3023 			return PTR_ERR(vol_args);  in btrfs_ioctl_snap_destroy()
3025 		vol_args->name[BTRFS_PATH_NAME_MAX] = 0;  in btrfs_ioctl_snap_destroy()
3026 		subvol_name = vol_args->name;  in btrfs_ioctl_snap_destroy()
3125 	kfree(vol_args);  in btrfs_ioctl_snap_destroy()
3203 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_add_dev()  local
3212 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_add_dev()
3213 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_add_dev()
3214 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_add_dev()
3218 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_add_dev()
3219 	ret = btrfs_init_new_device(fs_info, vol_args->name);  in btrfs_ioctl_add_dev()
3222 		btrfs_info(fs_info, "disk added %s", vol_args->name);  in btrfs_ioctl_add_dev()
3224 	kfree(vol_args);  in btrfs_ioctl_add_dev()
3234 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_rm_dev_v2()  local
3244 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev_v2()
3245 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev_v2()
3246 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev_v2()
3250 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {  in btrfs_ioctl_rm_dev_v2()
3260 	if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) {  in btrfs_ioctl_rm_dev_v2()
3261 		ret = btrfs_rm_device(fs_info, NULL, vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3263 		vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev_v2()
3264 		ret = btrfs_rm_device(fs_info, vol_args->name, 0);  in btrfs_ioctl_rm_dev_v2()
3269 		if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
3271 					vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3274 					vol_args->name);  in btrfs_ioctl_rm_dev_v2()
3277 	kfree(vol_args);  in btrfs_ioctl_rm_dev_v2()
3287 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_rm_dev()  local
3302 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev()
3303 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev()
3304 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev()
3308 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev()
3309 	ret = btrfs_rm_device(fs_info, vol_args->name, 0);  in btrfs_ioctl_rm_dev()
3312 		btrfs_info(fs_info, "disk deleted %s", vol_args->name);  in btrfs_ioctl_rm_dev()
3313 	kfree(vol_args);  in btrfs_ioctl_rm_dev()