fs/btrfs/ioctl.c

4123 	struct btrfs_ioctl_received_subvol_args_32 *args32 = NULL;
4127 	args32 = memdup_user(arg, sizeof(*args32));
4128 	if (IS_ERR(args32))
4129 		return PTR_ERR(args32);
4137 	memcpy(args64->uuid, args32->uuid, BTRFS_UUID_SIZE);
4138 	args64->stransid = args32->stransid;
4139 	args64->rtransid = args32->rtransid;
4140 	args64->stime.sec = args32->stime.sec;
4141 	args64->stime.nsec = args32->stime.nsec;
4142 	args64->rtime.sec = args32->rtime.sec;
4143 	args64->rtime.nsec = args32->rtime.nsec;
4144 	args64->flags = args32->flags;
4150 	memcpy(args32->uuid, args64->uuid, BTRFS_UUID_SIZE);
4151 	args32->stransid = args64->stransid;
4152 	args32->rtransid = args64->rtransid;
4153 	args32->stime.sec = args64->stime.sec;
4154 	args32->stime.nsec = args64->stime.nsec;
4155 	args32->rtime.sec = args64->rtime.sec;
4156 	args32->rtime.nsec = args64->rtime.nsec;
4157 	args32->flags = args64->flags;
4159 	ret = copy_to_user(arg, args32, sizeof(*args32));
4164 	kfree(args32);
4439 		struct btrfs_ioctl_send_args_32 args32 = { 0 };
4441 		ret = copy_from_user(&args32, argp, sizeof(args32));
4447 		arg->send_fd = args32.send_fd;
4448 		arg->clone_sources_count = args32.clone_sources_count;
4449 		arg->clone_sources = compat_ptr(args32.clone_sources);
4450 		arg->parent_root = args32.parent_root;
4451 		arg->flags = args32.flags;
4452 		arg->version = args32.version;
4453 		memcpy(arg->reserved, args32.reserved,
4454 		       sizeof(args32.reserved));
4489 		struct btrfs_ioctl_encoded_io_args_32 args32;
4493 		if (copy_from_user(&args32, argp, copy_end)) {
4497 		args.iov = compat_ptr(args32.iov);
4498 		args.iovcnt = args32.iovcnt;
4499 		args.offset = args32.offset;
4500 		args.flags = args32.flags;
4573 		struct btrfs_ioctl_encoded_io_args_32 args32;
4575 		if (copy_from_user(&args32, argp, sizeof(args32))) {
4579 		args.iov = compat_ptr(args32.iov);
4580 		args.iovcnt = args32.iovcnt;
4581 		args.offset = args32.offset;
4582 		args.flags = args32.flags;
4583 		args.len = args32.len;
4584 		args.unencoded_len = args32.unencoded_len;
4585 		args.unencoded_offset = args32.unencoded_offset;
4586 		args.compression = args32.compression;
4587 		args.encryption = args32.encryption;
4588 		memcpy(args.reserved, args32.reserved, sizeof(args.reserved));