Re: [PATCH] migration/rdma: fix return value for qio_channel_rdma_{readv,writev}

[Juan Quintela <quintela@redhat.com>]

Fiona Ebner <f.ebner@proxmox.com> wrote:
> upon errors. As the documentation in include/io/channel.h states, only
> -1 and QIO_CHANNEL_ERR_BLOCK should be returned upon error. Other
> values have the potential to confuse the call sites.
>
> error_setg is used rather than error_setg_errno, because there are
> certain code paths where -1 (as a non-errno) is propagated up (e.g.
> starting from qemu_rdma_block_for_wrid or qemu_rdma_post_recv_control)
> all the way to qio_channel_rdma_{readv,writev}.
>
> Similar to a216ec85b7 ("migration/channel-block: fix return value for
> qio_channel_block_{readv,writev}").
>
> Suggested-by: Zhang Chen <chen.zhang@intel.com>
> Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>

Reviewed-by: Juan Quintela <quintela@redhat.com>

queued.