From: Lee Jones <lee.jones@linaro.org>
To: SF Markus Elfring <elfring@users.sourceforge.net>
Cc: Jingoo Han <jingoohan1@gmail.com>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
linux-fbdev@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org,
Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH v3] video-lp8788: Delete a check before backlight_device_unregister()
Date: Tue, 07 Jul 2015 07:13:03 +0000 [thread overview]
Message-ID: <20150707071303.GL3182@x1> (raw)
In-Reply-To: <5593C14A.8020700@users.sourceforge.net>
On Wed, 01 Jul 2015, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 1 Jul 2015 12:08:31 +0200
>
> The backlight_device_unregister() 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>
> ---
> drivers/video/backlight/lp8788_bl.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
Applied, thanks.
> diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
> index e418d5b..5d583d7 100644
> --- a/drivers/video/backlight/lp8788_bl.c
> +++ b/drivers/video/backlight/lp8788_bl.c
> @@ -221,8 +221,7 @@ static void lp8788_backlight_unregister(struct lp8788_bl *bl)
> {
> struct backlight_device *bl_dev = bl->bl_dev;
>
> - if (bl_dev)
> - backlight_device_unregister(bl_dev);
> + backlight_device_unregister(bl_dev);
> }
>
> static ssize_t lp8788_get_bl_ctl_mode(struct device *dev,
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2015-07-07 7:13 UTC|newest]
Thread overview: 38+ 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>
2014-11-22 16:00 ` [PATCH 1/1] video: fbdev-LCDC: Deletion of an unnecessary check before the function call "vfree" SF Markus Elfring
2014-12-04 14:19 ` Tomi Valkeinen
2014-11-23 10:11 ` [PATCH 1/1] video: uvesafb: Deletion of an unnecessary check before the function call "uvesafb_free" SF Markus Elfring
2014-11-23 10:44 ` [PATCH 1/1] video: udlfb: Deletion of unnecessary checks before the function call "vfree" SF Markus Elfring
2014-11-23 11:33 ` [PATCH 1/1] video: smscufx: " SF Markus Elfring
2014-11-23 12:00 ` [PATCH 1/1] video: fbdev-SIS: Deletion of unnecessary checks before the function call "pci_dev_put" SF Markus Elfring
2014-11-23 13:14 ` [PATCH 1/1] video: fbdev-OMAP2: Deletion of unnecessary checks before the function call "i2c_put_ada SF Markus Elfring
2014-11-23 14:20 ` [PATCH 1/1] video: mx3fb: Deletion of an unnecessary check before the function call "backlight_devic SF Markus Elfring
2014-11-23 15:00 ` [PATCH 1/1] video: fbdev-MMP: Deletion of an unnecessary check before the function call "mmp_unregis SF Markus Elfring
2014-11-23 15:33 ` [PATCH 1/1] video: fbdev-VIA: Deletion of an unnecessary check before the function call "framebuffer SF Markus Elfring
2014-11-23 16:10 ` [PATCH 1/1] video: uvesafb: Deletion of an unnecessary check before the function call "platform_devi SF Markus Elfring
2014-11-23 16:40 ` [PATCH 1/1] backlight: lp8788: Deletion of an unnecessary check before the function call "backlight_ SF Markus Elfring
2014-11-24 10:09 ` [PATCH 1/1] backlight: lp8788: Deletion of an unnecessary check before the function call "backli Lee Jones
2014-11-24 10:10 ` Lee Jones
2014-11-24 18:05 ` [PATCH v2] backlight: lp8788: Deletion of a check before backlight_device_unregister() SF Markus Elfring
2015-06-28 12:07 ` SF Markus Elfring
2015-07-01 8:06 ` Lee Jones
2015-07-01 10:30 ` [PATCH v3] video-lp8788: Delete " SF Markus Elfring
2015-07-02 4:44 ` Jingoo Han
2015-07-07 7:13 ` Lee Jones [this message]
2015-01-19 17:54 ` [PATCH 0/9] video: fbdev: Deletion of some unnecessary checks SF Markus Elfring
2015-01-19 18:00 ` [PATCH 1/9] video: Deletion of checks before the function call "iounmap" SF Markus Elfring
2015-01-19 18:25 ` video: One function call less in tdfxfb_probe() after error detection SF Markus Elfring
2015-01-19 18:30 ` [PATCH 3/9] video: One function call less in vesafb_probe() after, " SF Markus Elfring
2015-01-19 18:34 ` [PATCH 4/9] video: Add check for return value of ioremap() in cirrusfb_pci_register() SF Markus Elfring
2015-01-19 18:38 ` [PATCH 5/9] video: Less function calls in trident_pci_probe() after error detection SF Markus Elfring
2015-01-19 18:41 ` [PATCH 6/9] video: One function call less in pvr2fb_common_init() " SF Markus Elfring
2015-01-19 18:43 ` [PATCH 7/9] video: One function call less in tgafb_register() after, " SF Markus Elfring
2015-01-19 18:46 ` [PATCH 8/9] video: Less function calls in valkyriefb_init() after " SF Markus Elfring
2015-01-19 18:49 ` [PATCH 9/9] video: Less function calls in w100fb_probe() " SF Markus Elfring
2015-02-05 13:14 ` [PATCH] au1100fb: Delete unnecessary checks before two function calls SF Markus Elfring
2015-02-05 13:41 ` Dan Carpenter
2015-02-05 14:20 ` SF Markus Elfring
2015-02-05 17:18 ` Dan Carpenter
2015-02-05 20:15 ` SF Markus Elfring
2015-02-21 13:26 ` [PATCH] video: fbdev-SIS: Deletion of unnecessary checks before three " SF Markus Elfring
2015-06-28 12:36 ` [PATCH] video: fbdev: omap2: displays-new: Delete a check before backlight_device_unregister() SF Markus Elfring
2016-07-23 17:37 ` [PATCH] omapfb: panel-dsi-cm: Delete an unnecessary " 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=20150707071303.GL3182@x1 \
--to=lee.jones@linaro.org \
--cc=elfring@users.sourceforge.net \
--cc=jingoohan1@gmail.com \
--cc=julia.lawall@lip6.fr \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=plagnioj@jcrosoft.com \
--cc=tomi.valkeinen@ti.com \
/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).