From: James Bottomley <James.Bottomley@SteelEye.com>
To: Horms <horms@verge.net.au>
Cc: mpt_linux_developer@lsi.com, linux-scsi@vger.kernel.org,
Eric Moore <Eric.Moore@lsi.com>
Subject: Re: [PATCH 2/2] fusion - honour return value of pci_enable_device() in mpt_resume()
Date: Fri, 16 Mar 2007 09:27:26 -0500 [thread overview]
Message-ID: <1174055246.3519.5.camel@mulgrave.il.steeleye.com> (raw)
In-Reply-To: <20070316070550.GC1081@verge.net.au>
On Fri, 2007-03-16 at 16:05 +0900, Horms wrote:
> + err = pci_enable_device(pdev);
> + if (err < 0)
> + return err;
Traditionally, this should be
if (err)
return err;
The reason is that <0 is a signed comparison which can be slightly more
expensive on some architectures and it's unnecessary if zero is the only
successful return.
James
next prev parent reply other threads:[~2007-03-16 14:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-16 7:05 [PATCH 1/2] fusion - removed unnecessary code in mptscsih_resume() Horms
2007-03-16 7:05 ` [PATCH 2/2] fusion - honour return value of pci_enable_device() in mpt_resume() Horms
2007-03-16 14:27 ` James Bottomley [this message]
2007-03-16 15:06 ` Randy Dunlap
2007-03-16 16:14 ` James Bottomley
2007-03-16 15:20 ` Randy Dunlap
2007-03-16 17:18 ` Douglas Gilbert
2007-03-19 6:06 ` Horms
2007-03-17 0:00 ` Moore, Eric
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