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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Kent Overstreet <kmo@daterainc.com>, Neil Brown <neilb@suse.de>,
	linux-bcache@vger.kernel.org
Cc: linux-raid@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH] bcache: Deletion of an unnecessary check before the function call "kobject_put"
Date: Wed, 8 Jul 2015 19:48:13 +0200	[thread overview]
Message-ID: <559D625D.2020408@users.sourceforge.net> (raw)
In-Reply-To: <546CFECC.8020309@users.sourceforge.net>

> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 19 Nov 2014 21:25:39 +0100
> 
> The kobject_put() 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/md/bcache/super.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
> index d4713d0..1443c55 100644
> --- a/drivers/md/bcache/super.c
> +++ b/drivers/md/bcache/super.c
> @@ -2076,8 +2076,7 @@ static void bcache_exit(void)
>  {
>  	bch_debug_exit();
>  	bch_request_exit();
> -	if (bcache_kobj)
> -		kobject_put(bcache_kobj);
> +	kobject_put(bcache_kobj);
>  	if (bcache_wq)
>  		destroy_workqueue(bcache_wq);
>  	if (bcache_major)
> 

Would you like to integrate this update suggestion
into another source code repository?

Regards,
Markus

  reply	other threads:[~2015-07-08 17:48 UTC|newest]

Thread overview: 12+ 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>
2014-11-19 20:34                                   ` [PATCH 1/1] bcache: Deletion of an unnecessary check before the function call "kobject_put" SF Markus Elfring
2015-07-08 17:48                                     ` SF Markus Elfring [this message]
2014-11-19 20:55                                   ` [PATCH 1/1] dm: Deletion of unnecessary checks before two function calls SF Markus Elfring
2015-02-02 15:11                                   ` [PATCH 0/3] md: Deletion of a few unnecessary checks SF Markus Elfring
2015-02-02 15:17                                     ` [PATCH 1/3] dm snapshot: Deletion of unnecessary checks before the function call "vfree" SF Markus Elfring
2015-02-02 15:20                                     ` [PATCH 2/3] md/bitmap: Delete an unnecessary check before the function call "kfree" SF Markus Elfring
2015-02-02 19:46                                       ` NeilBrown
2015-02-02 15:23                                     ` [PATCH 3/3] dm ioctl: Delete an unnecessary check before the function call "dm_table_destroy" SF Markus Elfring
2015-02-06 21:12                                       ` Mike Snitzer
2015-02-08  9:55                                         ` SF Markus Elfring
2015-02-08 14:02                                           ` Mike Snitzer
2015-02-08 15:52                                             ` SF Markus Elfring

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