netdev - Re: [PATCH net-next] net: phylib: fix phy_read*_poll

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Date: Fri, 2 Jun 2023 09:53:09 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	Oleksij Rempel <linux@...pel-privat.de>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: phylib: fix phy_read*_poll_timeout()

On Thu, Jun 01, 2023 at 09:35:09PM -0700, Jakub Kicinski wrote:
> On Thu, 1 Jun 2023 21:33:45 -0700 Jakub Kicinski wrote:
> > On Thu, 01 Jun 2023 16:48:12 +0100 Russell King (Oracle) wrote:
> > > +	__ret = read_poll_timeout(__val = phy_read, val, \  
> >                                                     ^^^
> > Is this not __val on purpose?
> 
> Yes it is :)  All this to save the single line of assignment
> after the read_poll_timeout() "call" ?

Okay, so it seems you don't like it. We can't fix it then, and we'll
have to go with the BUILD_BUG_ON() forcing all users to use a signed
varable (which better be larger than a s8 so negative errnos can fit)
or we just rely on Dan to report the problems.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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