Re: [PATCH 1/1] Drivers: hv: Simplify data structures for VMBus channel close message

[Wei Liu]

On Mon, Sep 01, 2025 at 01:56:17AM +0800, Tianyu Lan wrote:
> On Mon, Sep 1, 2025 at 12:06 AM <mhkelley58@xxxxxxxxx> wrote:
> >
> > From: Michael Kelley <mhklinux@xxxxxxxxxxx>
> >
> > struct vmbus_close_msg is used for sending the VMBus channel close
> > message. It contains a struct vmbus_channel_msginfo, which has a
> > flex array member at the end. The latter's presence in the middle
> > of struct vmbus_close_msg causes warnings when built with
> > -Wflex-array-member-not-at-end.
> >
> > But the struct vmbus_channel_msginfo is unused because the Hyper-V host
> > does not send a response to the channel close message. So remove the
> > struct vmbus_channel_msginfo. Then, since the only remaining field is
> > struct vmbus_channel_close_channel, also remove the containing struct
> > vmbus_close_msg and directly use struct vmbus_channel_close_channel.
> > Besides eliminating unnecessary complexity, these changes resolve the
> > -Wflex-array-member-not-at-end warnings.
> >
> > Signed-off-by: Michael Kelley <mhklinux@xxxxxxxxxxx>
> > ---
> 
> Reviewed-by: Tianyu Lan <tiala@xxxxxxxxxxxxx>

Applied. Thanks.