linux-kernel - RE: [PATCH 1/1] Drivers: hv: vmbus: enable VMBus protocol version 5.0

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Message-ID: <KL1P15301MB0006C2F8F9E32E736DAB082ABF9C0@KL1P15301MB0006.APCP153.PROD.OUTLOOK.COM>
Date:   Mon, 14 May 2018 18:55:50 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
CC:     "kys@...uxonhyperv.com" <kys@...uxonhyperv.com>,
        "olaf@...fle.de" <olaf@...fle.de>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>,
        "apw@...onical.com" <apw@...onical.com>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>
Subject: RE: [PATCH 1/1] Drivers: hv: vmbus: enable VMBus protocol version 5.0

> From: Stephen Hemminger <stephen@...workplumber.org>
> Sent: Monday, May 14, 2018 11:18
> To: Dexuan Cui <decui@...rosoft.com>
> > > ...
> > > 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.

I checked the "git log" and confimed you're correct: there are a lot of 
patches that removed the cast from "void *". :-)

Then let me post a small patch for this.

-- Dexuan