From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Jarkko Nikula <jarkko.nikula@bitmer.com>,
Jaroslav Kysela <perex@perex.cz>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Peter Ujfalusi <peter.ujfalusi@ti.com>,
Takashi Iwai <tiwai@suse.de>,
linux-omap@vger.kernel.org, alsa-devel@alsa-project.org
Cc: LKML <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org,
Coccinelle <cocci@systeme.lip6.fr>
Subject: ASoC: omap-mcbsp: Deletion of an unnecessary check before the function call "kfree"
Date: Mon, 17 Nov 2014 14:15:01 +0100 [thread overview]
Message-ID: <5469F4D5.9050908@users.sourceforge.net> (raw)
In-Reply-To: <5317A59D.4@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 17 Nov 2014 14:05:27 +0100
The kfree() 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>
---
sound/soc/omap/mcbsp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index 86c7538..68a1252 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -621,8 +621,7 @@ void omap_mcbsp_free(struct omap_mcbsp *mcbsp)
mcbsp->reg_cache = NULL;
spin_unlock(&mcbsp->lock);
- if (reg_cache)
- kfree(reg_cache);
+ kfree(reg_cache);
}
/*
--
2.1.3
next parent reply other threads:[~2014-11-17 13:15 UTC|newest]
Thread overview: 20+ 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.so urceforge.net>
[not found] ` <5317A59D.4@users.sourceforge.net>
2014-11-17 13:15 ` SF Markus Elfring [this message]
2014-11-17 19:11 ` ASoC: omap-mcbsp: Deletion of an unnecessary check before the function call "kfree" Jarkko Nikula
2014-11-18 9:40 ` Mark Brown
2014-11-22 10:00 ` [PATCH 1/1] ARM: OMAP2: Deletion of unnecessary checks before three function calls SF Markus Elfring
2015-06-30 12:10 ` [PATCH] ARM: OMAP2: Delete " SF Markus Elfring
2015-07-16 5:55 ` Paul Walmsley
2015-07-16 6:23 ` Tony Lindgren
2015-07-16 14:06 ` Paul Walmsley
2015-07-16 16:28 ` Tony Lindgren
2015-07-16 6:40 ` SF Markus Elfring
2014-11-23 13:14 ` [PATCH 1/1] video: fbdev-OMAP2: Deletion of unnecessary checks before the function call "i2c_put_adapter" SF Markus Elfring
2015-02-03 10:21 ` [PATCH] ti-soc-thermal: Delete an unnecessary check before the function call "cpufreq_cooling_unregister" SF Markus Elfring
2015-06-25 11:33 ` [PATCH 0/2] ARM-OMAP2+: Deletion of unnecessary checks before two function calls SF Markus Elfring
2015-06-25 11:38 ` [PATCH 1/2] ARM-OMAP2+: Delete an unnecessary check before the function call "omap_device_delete" SF Markus Elfring
2015-06-25 11:40 ` [PATCH 2/2] ARM-OMAP2+: Delete an unnecessary check before the function call "of_node_put" SF Markus Elfring
2015-07-15 6:41 ` [PATCH 0/2] ARM-OMAP2+: Deletion of unnecessary checks before two function calls Tony Lindgren
2015-06-28 12:36 ` [PATCH] video: fbdev: omap2: displays-new: Delete a check before backlight_device_unregister() SF Markus Elfring
2016-07-23 17:09 ` [PATCH] memory: omap-gpmc: Delete an unnecessary check before the function call "gpiochip_free_own_desc" SF Markus Elfring
2016-08-01 9:32 ` Roger Quadros
2016-07-23 17:37 ` [PATCH] omapfb: panel-dsi-cm: Delete an unnecessary check before backlight_device_unregister() SF Markus Elfring
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5469F4D5.9050908@users.sourceforge.net \
--to=elfring@users.sourceforge.net \
--cc=alsa-devel@alsa-project.org \
--cc=broonie@kernel.org \
--cc=cocci@systeme.lip6.fr \
--cc=jarkko.nikula@bitmer.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=lgirdwood@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-omap@vger.kernel.org \
--cc=perex@perex.cz \
--cc=peter.ujfalusi@ti.com \
--cc=tiwai@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).