linux-kernel - Re: [PATCH] 3c59x: Don't assign when a comparison is intended

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Message-ID: <20101225221700.GA8612@pengutronix.de>
Date:	Sat, 25 Dec 2010 23:17:00 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	richard -rw- weinberger <richard.weinberger@...il.com>
Cc:	Jesper Juhl <jj@...osbits.net>, netdev@...r.kernel.org,
	vortex@...ld.com, becker@...ld.com,
	Steffen Klassert <klassert@...hematik.tu-chemnitz.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] 3c59x: Don't assign when a comparison is intended

On Sat, Dec 25, 2010 at 09:50:56PM +0100, richard -rw- weinberger wrote:
> On Sat, Dec 25, 2010 at 9:30 PM, Jesper Juhl <jj@...osbits.net> wrote:
> > Hi,
> >
> > In drivers/net/3c59x.c::vortex_probe1() we have this code:
> >
> >        if (gendev) {
> >                if ((pdev = DEVICE_PCI(gendev))) {
> >                        print_name = pci_name(pdev);
> >                }
> >
> >                if ((edev = DEVICE_EISA(gendev))) {
> >                        print_name = dev_name(&edev->dev);
> >                }
> >        }
> >
> > I believe these assignments were intended to be comparisons.
> > If I'm correct, then here's a patch to fix that up.
> 
> I don't think so. Look at the extra brackets.
> 
> The code can also written as:
> 
> pdev = DEVICE_PCI(gendev);
> if(pdev)
>   print_name = pci_name(pdev);

... which looks much better and could be worth a patch as well.

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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