iommu.lists.linux-foundation.org archive mirror
 help / color / mirror / Atom feed
From: SF Markus Elfring <elfring@users.sourceforge.net>
To: "Alexandre Courbot" <gnurou@gmail.com>,
	"Hiroshi Doyu" <hdoyu@nvidia.com>, "Jörg Rödel" <joro@8bytes.org>,
	"Stephen Warren" <swarren@wwwdotorg.org>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org
Cc: LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH] IOMMU-Tegra: gart: Delete an unnecessary check before the function call "vfree"
Date: Fri, 9 Jan 2015 07:58:16 +0100	[thread overview]
Message-ID: <559E1B88.5030005@users.sourceforge.net> (raw)
In-Reply-To: <54D3A1A9.9040709@users.sourceforge.net>

> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Thu, 5 Feb 2015 17:54:16 +0100
> 
> The vfree() function performs also input parameter validation.
> 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/iommu/tegra-gart.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
> index f722a0c..07a795a 100644
> --- a/drivers/iommu/tegra-gart.c
> +++ b/drivers/iommu/tegra-gart.c
> @@ -404,8 +404,7 @@ static int tegra_gart_remove(struct platform_device *pdev)
>  	struct gart_device *gart = platform_get_drvdata(pdev);
>  
>  	writel(0, gart->regs + GART_CONFIG);
> -	if (gart->savedata)
> -		vfree(gart->savedata);
> +	vfree(gart->savedata);
>  	gart_handle = NULL;
>  	return 0;
>  }
> 

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

Regards,
Markus

      reply	other threads:[~2015-01-09  6:58 UTC|newest]

Thread overview: 6+ 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>
2014-10-22 18:00                                   ` [PATCH 1/1] IOMMU-MSM: Deletion of unnecessary checks before the function call "clk_disable" SF Markus Elfring
     [not found]                                     ` <5447F0B1.9010707-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2014-10-23 12:51                                       ` Jörg Rödel
2015-06-28 14:05                                   ` [PATCH] iommu/arm-smmu: Delete an unnecessary check before the function call "free_io_pgtable_ops" SF Markus Elfring
     [not found]                                     ` <558FFF19.1060402-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2015-11-06 17:38                                       ` [PATCH] iommu/arm-smmu: Delete an unnecessary check before free_io_pgtable_ops() SF Markus Elfring
     [not found]                                 ` <5317A59D.4-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
2015-02-05 17:00                                   ` [PATCH] IOMMU-Tegra: gart: Delete an unnecessary check before the function call "vfree" SF Markus Elfring
2015-01-09  6:58                                     ` SF Markus Elfring [this message]

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=559E1B88.5030005@users.sourceforge.net \
    --to=elfring@users.sourceforge.net \
    --cc=gnurou@gmail.com \
    --cc=hdoyu@nvidia.com \
    --cc=iommu@lists.linux-foundation.org \
    --cc=joro@8bytes.org \
    --cc=julia.lawall@lip6.fr \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=swarren@wwwdotorg.org \
    --cc=thierry.reding@gmail.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).