linux-kernel - Re: [PATCH] cpufreq:exynos-cpufreq - Fix for memory leak in case SOC name does not match.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-id: <20150608103100.57f0473b@amdc2363>
Date:	Mon, 08 Jun 2015 10:31:00 +0200
From:	Lukasz Majewski <l.majewski@...sung.com>
To:	Shailendra Verma <shailendra.capricorn@...il.com>
Cc:	Viresh Kumar <viresh.kumar@...aro.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq:exynos-cpufreq - Fix for memory leak in case SOC
 name does not match.

Hi Viresh,

> On 25-05-15, 07:39, Shailendra Verma wrote:
> > During probe free the memory allocated to "exynos_info" in case of
> > unknown SOC type.
> > 
> > Signed-off-by: Shailendra Verma <shailendra.capricorn@...il.com>
> > ---
> >  drivers/cpufreq/exynos-cpufreq.c |    6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/cpufreq/exynos-cpufreq.c
> > b/drivers/cpufreq/exynos-cpufreq.c index 82d2fbb..8682378 100644
> > --- a/drivers/cpufreq/exynos-cpufreq.c
> > +++ b/drivers/cpufreq/exynos-cpufreq.c
> > @@ -182,7 +182,7 @@ static int exynos_cpufreq_probe(struct
> > platform_device *pdev) ret = exynos5250_cpufreq_init(exynos_info);
> >  	} else {
> >  		pr_err("%s: Unknown SoC type\n", __func__);
> > -		return -ENODEV;
> > +		ret = -ENODEV;
> >  	}
> >  
> >  	if (ret)
> > @@ -190,12 +190,14 @@ static int exynos_cpufreq_probe(struct
> > platform_device *pdev) 
> >  	if (exynos_info->set_freq == NULL) {
> >  		dev_err(&pdev->dev, "No set_freq function
> > (ERR)\n");
> > +		ret = -EINVAL;
> >  		goto err_vdd_arm;
> >  	}
> >  
> >  	arm_regulator = regulator_get(NULL, "vdd_arm");
> >  	if (IS_ERR(arm_regulator)) {
> >  		dev_err(&pdev->dev, "failed to get resource
> > vdd_arm\n");
> > +		ret = -EINVAL;
> >  		goto err_vdd_arm;
> >  	}
> >  
> > @@ -227,7 +229,7 @@ err_cpufreq_reg:
> >  	regulator_put(arm_regulator);
> >  err_vdd_arm:
> >  	kfree(exynos_info);
> > -	return -EINVAL;
> > +	return ret;
> >  }
> >  
> >  static struct platform_driver exynos_cpufreq_platdrv = {
> 
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
> 

Acked-by: Lukasz Majewski <l.majewski@...sung.com>

-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/