From: Dan Carpenter <dan.carpenter@oracle.com>
To: SF Markus Elfring <elfring@users.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-pm@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org,
Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH 1/1] PM-wakeup: Deletion of an unnecessary check before the function call "wakeup_source_unregister"
Date: Wed, 19 Nov 2014 15:09:15 +0300 [thread overview]
Message-ID: <20141119120915.GM4905@mwanda> (raw)
In-Reply-To: <546C7E75.9080301@users.sourceforge.net>
On Wed, Nov 19, 2014 at 12:26:45PM +0100, SF Markus Elfring wrote:
> --- a/drivers/base/power/wakeup.c
> +++ b/drivers/base/power/wakeup.c
> @@ -267,8 +267,7 @@ int device_wakeup_disable(struct device *dev)
> return -EINVAL;
>
> ws = device_wakeup_detach(dev);
> - if (ws)
> - wakeup_source_unregister(ws);
> + wakeup_source_unregister(ws);
In the original code, it's clear that the programmer thought about what
happens when the device_wakeup_detach() returns NULL but in the new code
that's not clear.
I guess the information is still there in the git archive, but why hide
the good code by covering it with confusing code?
regards,
dan carpenter
next prev parent reply other threads:[~2014-11-19 12:09 UTC|newest]
Thread overview: 30+ 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>
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[not found] ` <alpine.DEB.2.10.1402241710370.2074@hadrien>
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[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.so urceforge.net>
[not found] ` <5317A59D.4@users.sourceforge.net>
2014-11-16 13:28 ` [PATCH 1/1] kernel-power: Deletion of an unnecessary check before the function call "vfree" SF Markus Elfring
2014-11-18 23:32 ` Rafael J. Wysocki
2014-11-19 11:26 ` [PATCH 1/1] PM-wakeup: Deletion of an unnecessary check before the function call "wakeup_source_unregister" SF Markus Elfring
2014-11-19 12:09 ` Dan Carpenter [this message]
2014-11-19 12:54 ` walter harms
2014-11-19 13:05 ` Dan Carpenter
2014-11-19 13:39 ` walter harms
2015-06-28 10:21 ` [PATCH] PM-wakeup: Delete unnecessary checks before two function calls SF Markus Elfring
2015-08-14 6:56 ` Pavel Machek
2016-07-22 20:35 ` SF Markus Elfring
2016-07-22 21:52 ` Rafael J. Wysocki
2016-07-23 5:32 ` SF Markus Elfring
2016-07-23 12:18 ` Rafael J. Wysocki
2016-07-23 15:14 ` [PATCH] PM-wakeup: Delete unnecessary checks before three " SF Markus Elfring
2016-07-28 19:33 ` Pavel Machek
2014-11-21 10:12 ` [PATCH 1/1] thermal: Exynos: Deletion of unnecessary checks before two " SF Markus Elfring
2014-11-21 10:17 ` Julia Lawall
2014-11-21 13:25 ` SF Markus Elfring
2014-11-21 16:17 ` [PATCH v2] " SF Markus Elfring
2014-12-01 4:50 ` [PATCH 1/1] thermal: int3403: Delete a check before thermal_zone_device_unregister() SF Markus Elfring
2014-12-08 4:15 ` Zhang Rui
2015-02-03 10:21 ` [PATCH] ti-soc-thermal: Delete an unnecessary check before the function call "cpufreq_cooling_unregister" SF Markus Elfring
2015-02-03 18:25 ` [PATCH] cpufreq-dt: " SF Markus Elfring
2015-02-04 14:42 ` Rafael J. Wysocki
2015-11-05 20:15 ` [PATCH] CPPC-CPUFreq: Delete an unnecessary check before the function call "kfree" SF Markus Elfring
2015-11-06 1:42 ` Viresh Kumar
2015-11-07 1:10 ` Rafael J. Wysocki
2015-11-06 15:56 ` [PATCH] bq2415x_charger: Delete unnecessary checks before the function call "of_node_put" SF Markus Elfring
2015-11-06 16:13 ` Pali Rohár
2016-07-23 13:02 ` [PATCH] power: generic-adc-battery: Delete unnecessary checks before the function call "iio_channel_release" SF Markus Elfring
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