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From: Guenter Roeck <linux@roeck-us.net>
To: SF Markus Elfring <elfring@users.sourceforge.net>,
	linux-hwmon@vger.kernel.org, Jean Delvare <jdelvare@suse.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH] hwmon-ntc_thermistor: Delete an unnecessary check before the function call "iio_channel_release"
Date: Mon, 18 Jul 2016 20:35:39 -0700	[thread overview]
Message-ID: <578DA00B.2070207@roeck-us.net> (raw)
In-Reply-To: <60ce7b63-99f8-67c2-319c-21b2d4199263@users.sourceforge.net>

On 07/18/2016 11:54 AM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Mon, 18 Jul 2016 20:34:41 +0200
>
> The iio_channel_release() function tests whether its argument is NULL
> and then returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

A much better change would be to use devm_iio_channel_get() instead of
iio_channel_get(), and to remove ntc_iio_channel_release() completely.

Guenter


      reply	other threads:[~2016-07-19  3:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5307CAA2.8060406@users.sourceforge.net>
     [not found] ` <alpine.DEB.2.02.1402212321410.2043@localhost6.localdomain6>
     [not found]   ` <530A086E.8010901@users.sourceforge.net>
     [not found]     ` <alpine.DEB.2.02.1402231635510.1985@localhost6.localdomain6>
     [not found]       ` <530A72AA.3000601@users.sourceforge.net>
     [not found]         ` <alpine.DEB.2.02.1402240658210.2090@localhost6.localdomain6>
     [not found]           ` <530B5FB6.6010207@users.sourceforge.net>
     [not found]             ` <alpine.DEB.2.10.1402241710370.2074@hadrien>
     [not found]               ` <530C5E18.1020800@users.sourceforge.net>
     [not found]                 ` <alpine.DEB.2.10.1402251014170.2080@hadrien>
     [not found]                   ` <530CD2C4.4050903@users.sourceforge.net>
     [not found]                     ` <alpine.DEB.2.10.1402251840450.7035@hadrien>
     [not found]                       ` <530CF8FF.8080600@users.sourceforge.net>
     [not found]                         ` <alpine.DEB.2.02.1402252117150.2047@localhost6.localdomain6>
     [not found]                           ` <530DD06F.4090703@users.sourceforge.net>
     [not found]                             ` <alpine.DEB.2.02.1402262129250.2221@localhost6.localdomain6>
     [not found]                               ` <5317A59D.4@users.sourceforge.net>
2016-07-18 18:54                                 ` [PATCH] hwmon-ntc_thermistor: Delete an unnecessary check before the function call "iio_channel_release" SF Markus Elfring
2016-07-19  3:35                                   ` Guenter Roeck [this message]

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