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From: Timur Tabi <timur@tabi.org>
To: Scott Wood <scottwood@freescale.com>
Cc: "J. German Rivera" <German.Rivera@freescale.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	lkml <linux-kernel@vger.kernel.org>,
	stuart.yoder@freescale.com,
	Kim Phillips <Kim.Phillips@freescale.com>,
	Alexander Graf <agraf@suse.de>
Subject: Re: [PATCH 3/3 v2] drivers/bus: Device driver for FSL-MC DPRC devices
Date: Tue, 30 Sep 2014 21:35:46 -0500	[thread overview]
Message-ID: <542B6882.9060801@tabi.org> (raw)
In-Reply-To: <1412130432.13320.342.camel@snotra.buserror.net>

Scott Wood wrote:
>>> > >+       if (num_child_objects_in_mc != 0) {
>> >
>> >Like here.  Just do "if (num_child_objects_in_mc) {"

> This seems to be a place that is testing for zero as a value rather than
> as a stand-in for NULL, so I'd argue it's better style to leave it as
> is.

But in this case, zero means "none left", so this is a perfectly valid 
use-case for omitting the !=.

strcmp() is the only time I can think of to put an explicit != 0, 
because this:

	if (!strcmp(s1, s2))

is counter-intuitive.

  reply	other threads:[~2014-10-01  2:35 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-19 22:49 [PATCH 0/3 v2] drivers/bus: Freescale Management Complex bus driver patch series J. German Rivera
2014-09-19 22:49 ` [PATCH 1/3 v2] drivers/bus: Added Freescale Management Complex APIs J. German Rivera
2014-09-24  0:49   ` Kim Phillips
2014-09-25  2:23     ` German Rivera
2014-09-25  3:40       ` Kim Phillips
2014-09-25 15:44         ` German Rivera
2014-09-25 16:16           ` Scott Wood
2014-09-25 16:44             ` German Rivera
2014-09-25 20:05               ` Scott Wood
2014-09-19 22:49 ` [PATCH 2/3 v2] drivers/bus: Freescale Management Complex (fsl-mc) bus driver J. German Rivera
2014-09-19 22:49 ` [PATCH 3/3 v2] drivers/bus: Device driver for FSL-MC DPRC devices J. German Rivera
2014-10-01  2:19   ` Timur Tabi
2014-10-01  2:27     ` Scott Wood
2014-10-01  2:35       ` Timur Tabi [this message]
2014-10-02 16:36     ` German Rivera
2014-10-02 17:19       ` Timur Tabi
2014-09-22 16:53 ` [PATCH 0/3 v2] drivers/bus: Freescale Management Complex bus driver patch series Kim Phillips
2014-09-22 17:59   ` Stuart Yoder
2014-09-22 22:03     ` Kim Phillips
2014-09-23 14:52     ` German Rivera

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