From: Joe Perches <joe@perches.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Hannes Reinecke <hare@suse.de>, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] drivers/scsi/aic7xxx/aic7xxx_osm_pci.c - remove pointer comparison to 0
Date: Mon, 11 Feb 2008 09:08:05 -0800 [thread overview]
Message-ID: <1202749685.13411.11.camel@localhost> (raw)
In-Reply-To: <1202743820.3122.13.camel@localhost.localdomain>
On Mon, 2008-02-11 at 09:30 -0600, James Bottomley wrote:
> On Sun, 2008-02-10 at 21:47 -0800, Joe Perches wrote:
> > - if (request_region(*base, 256, "aic7xxx") == 0)
> > + if (!request_region(*base, 256, "aic7xxx"))
>
> This patch is completely pointless.
It removes a sparse warning.
> There's a marginal preference for if (!x) over if (x == NULL)
> for pointers, but it's still up to a driver writer if they wish to use
> the marginally unpreferred form.
Use == NULL then if you care to.
cheers, Joe
next prev parent reply other threads:[~2008-02-11 17:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-11 5:47 [PATCH] drivers/scsi/aic7xxx/aic7xxx_osm_pci.c - remove pointer comparison to 0 Joe Perches
2008-02-11 15:30 ` James Bottomley
2008-02-11 17:08 ` Joe Perches [this message]
2008-02-11 17:17 ` Randy Dunlap
2008-02-11 17:49 ` James Bottomley
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