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
prev parent 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]
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