fs/btrfs/ioctl.c

237 static int btrfs_check_ioctl_vol_args2_subvol_name(const struct btrfs_ioctl_vol_args_v2 *vol_args2)
239 	if (memchr(vol_args2->name, 0, sizeof(vol_args2->name)) == NULL)
2385 	struct btrfs_ioctl_vol_args_v2 *vol_args2 = NULL;
2400 		vol_args2 = memdup_user(arg, sizeof(*vol_args2));
2401 		if (IS_ERR(vol_args2))
2402 			return PTR_ERR(vol_args2);
2404 		if (vol_args2->flags & ~BTRFS_SUBVOL_DELETE_ARGS_MASK) {
2413 		if (!(vol_args2->flags & BTRFS_SUBVOL_SPEC_BY_ID)) {
2414 			err = btrfs_check_ioctl_vol_args2_subvol_name(vol_args2);
2417 			subvol_name = vol_args2->name;
2425 			if (vol_args2->subvolid < BTRFS_FIRST_FREE_OBJECTID) {
2436 					vol_args2->subvolid, 0);
2487 						fs_info, vol_args2->subvolid);
2602 	kfree(vol_args2);