bdrv_save_vmstate and bdrv_load_vmstate should return the vmstate size
on success, and -errno on error.
Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
int64_t pos, int size, int load)
{
int fd, create;
- int ret = 0;
+ int ret = 0, remaining = size;
unsigned int data_len;
uint64_t vmstate_oid;
uint32_t vdi_index;
return fd;
}
- while (size) {
+ while (remaining) {
vdi_index = pos / SD_DATA_OBJ_SIZE;
offset = pos % SD_DATA_OBJ_SIZE;
- data_len = MIN(size, SD_DATA_OBJ_SIZE);
+ data_len = MIN(remaining, SD_DATA_OBJ_SIZE);
vmstate_oid = vid_to_vmstate_oid(s->inode.vdi_id, vdi_index);
}
pos += data_len;
- size -= data_len;
- ret += data_len;
+ remaining -= data_len;
}
+ ret = size;
cleanup:
closesocket(fd);
return ret;