Re: [Qemu-devel] [PATCH V7 1/6] snapshot: add parameter *errp in snapshot create

[Stefan Hajnoczi]

On Thu, Dec 05, 2013 at 08:02:47PM +0800, Wenchao Xia wrote:
> @@ -366,7 +368,8 @@ int qcow2_snapshot_create(BlockDriverState *bs, 
> QEMUSnapshotInfo *sn_info)
>  
>      /* Check that the ID is unique */
>      if (find_snapshot_by_id_and_name(bs, sn_info->id_str, NULL) >= 0) {
> -        return -EEXIST;
> +        error_setg(errp, "Snapshot with id %s already exist", 
> sn_info->id_str);

s/exist/exists/