Re: [PATCH 1/1] Drivers: hv: vmbus: enable VMBus protocol version 5.0

From: Stephen Hemminger
Date: Mon May 14 2018 - 14:18:03 EST


On Mon, 14 May 2018 18:14:15 +0000
Dexuan Cui <decui@xxxxxxxxxxxxx> wrote:

> > From: devel <driverdev-devel-bounces@xxxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> > Stephen Hemminger
> > Sent: Sunday, May 13, 2018 10:24
> > > ...
> > > @@ -372,6 +400,18 @@ int vmbus_post_msg(void *buffer, size_t buflen,
> > bool can_sleep)
> > > ...
> > > + hdr = (struct vmbus_channel_message_header *)buffer;
> >
> > Hate to pick o the details, but buffer is void * so cast is not necessary here.
>
> Yes, it's unnecessary in C, though it's necessary in C++.
>
> I found the patch went into char-misc 4 hours ago, so it looks we may
> as well leave it as is. IMHO an explicit cast is not a bad thing. :-)
>
> Thanks,
> -- Dexuan

Kernel developers like to be concise. In fact there is a smatch script that perodically
gets run and more cleanup patches get sent.