Re: [Qemu-devel] [PATCH] savevm: qemu_fille_buffer() used to return one error for reads of size 0.

[Markus Armbruster]

Juan Quintela <address@hidden> writes:

> Signed-off-by: Juan Quintela <address@hidden>
> ---
>  savevm.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/savevm.c b/savevm.c
> index f01838f..bee16c0 100644
> --- a/savevm.c
> +++ b/savevm.c
> @@ -476,6 +476,8 @@ static void qemu_fill_buffer(QEMUFile *f)
>      if (len > 0) {
>          f->buf_size += len;
>          f->buf_offset += len;
> +    } else if (len == 0) {
> +        f->last_error = -EIO;
>      } else if (len != -EAGAIN)
>          f->last_error = len;
>  }

This reverts an accidental change in commit dcd1d224 migration: change
has_error to contain errno values.

Reviewed-by: Markus Armbruster <address@hidden>