1636 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_resize()  local
1657 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_resize()
1658 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_resize()
1659 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_resize()
1663 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_resize()
1665 	sizestr = vol_args->name;  in btrfs_ioctl_resize()
1670 		devstr = vol_args->name;  in btrfs_ioctl_resize()
1764 	kfree(vol_args);  in btrfs_ioctl_resize()
1836 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_snap_create()  local
1842 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create()
1843 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create()
1844 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create()
1845 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create()
1847 	ret = __btrfs_ioctl_snap_create(file, vol_args->name, vol_args->fd,  in btrfs_ioctl_snap_create()
1850 	kfree(vol_args);  in btrfs_ioctl_snap_create()
1857 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_snap_create_v2()  local
1865 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create_v2()
1866 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create_v2()
1867 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create_v2()
1868 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create_v2()
1870 	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {  in btrfs_ioctl_snap_create_v2()
1875 	if (vol_args->flags & BTRFS_SUBVOL_RDONLY)  in btrfs_ioctl_snap_create_v2()
1877 	if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {  in btrfs_ioctl_snap_create_v2()
1878 		if (vol_args->size > PAGE_SIZE) {  in btrfs_ioctl_snap_create_v2()
1882 		inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size);  in btrfs_ioctl_snap_create_v2()
1889 	ret = __btrfs_ioctl_snap_create(file, vol_args->name, vol_args->fd,  in btrfs_ioctl_snap_create_v2()
1896 	kfree(vol_args);  in btrfs_ioctl_snap_create_v2()
2865 	struct btrfs_ioctl_vol_args *vol_args = NULL;  in btrfs_ioctl_snap_destroy()  local
2950 		vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_destroy()
2951 		if (IS_ERR(vol_args))  in btrfs_ioctl_snap_destroy()
2952 			return PTR_ERR(vol_args);  in btrfs_ioctl_snap_destroy()
2954 		vol_args->name[BTRFS_PATH_NAME_MAX] = 0;  in btrfs_ioctl_snap_destroy()
2955 		subvol_name = vol_args->name;  in btrfs_ioctl_snap_destroy()
3056 	kfree(vol_args);  in btrfs_ioctl_snap_destroy()
3134 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_add_dev()  local
3143 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_add_dev()
3144 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_add_dev()
3145 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_add_dev()
3149 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_add_dev()
3150 	ret = btrfs_init_new_device(fs_info, vol_args->name);  in btrfs_ioctl_add_dev()
3153 		btrfs_info(fs_info, "disk added %s", vol_args->name);  in btrfs_ioctl_add_dev()
3155 	kfree(vol_args);  in btrfs_ioctl_add_dev()
3165 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_rm_dev_v2()  local
3175 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev_v2()
3176 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev_v2()
3177 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev_v2()
3181 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {  in btrfs_ioctl_rm_dev_v2()
3191 	if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) {  in btrfs_ioctl_rm_dev_v2()
3192 		ret = btrfs_rm_device(fs_info, NULL, vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3194 		vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev_v2()
3195 		ret = btrfs_rm_device(fs_info, vol_args->name, 0);  in btrfs_ioctl_rm_dev_v2()
3200 		if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
3202 					vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3205 					vol_args->name);  in btrfs_ioctl_rm_dev_v2()
3208 	kfree(vol_args);  in btrfs_ioctl_rm_dev_v2()
3218 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_rm_dev()  local
3233 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev()
3234 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_rm_dev()
3235 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev()
3239 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev()
3240 	ret = btrfs_rm_device(fs_info, vol_args->name, 0);  in btrfs_ioctl_rm_dev()
3243 		btrfs_info(fs_info, "disk deleted %s", vol_args->name);  in btrfs_ioctl_rm_dev()
3244 	kfree(vol_args);  in btrfs_ioctl_rm_dev()