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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	linux-pm@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>,
	kernel@pengutronix.de, Heiner Kallweit <hkallweit1@gmail.com>
Subject: Re: [PATCH 2/4] cpufreq: imx6q: Fix wrong device in devm_kzalloc
Date: Thu, 22 Oct 2015 18:59:01 +0530	[thread overview]
Message-ID: <20151022132901.GD3897@ubuntu> (raw)
In-Reply-To: <1445503652-777-3-git-send-email-s.hauer@pengutronix.de>

On 22-10-15, 10:47, Sascha Hauer wrote:
> devm_kzalloc must be called with the device that is actually probed,
> not with cpu_dev which resources are not freed when probe fails.
> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  drivers/cpufreq/imx6q-cpufreq.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
> index fabd144..7557d1e 100644
> --- a/drivers/cpufreq/imx6q-cpufreq.c
> +++ b/drivers/cpufreq/imx6q-cpufreq.c
> @@ -260,7 +260,8 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev)
>  	}
>  
>  	/* Make imx6_soc_volt array's size same as arm opp number */
> -	imx6_soc_volt = devm_kzalloc(cpu_dev, sizeof(*imx6_soc_volt) * num, GFP_KERNEL);
> +	imx6_soc_volt = devm_kzalloc(&pdev->dev,
> +			sizeof(*imx6_soc_volt) * num, GFP_KERNEL);

Please rewrite it as:

	imx6_soc_volt = devm_kzalloc(&pdev->dev,
			             sizeof(*imx6_soc_volt) * num, GFP_KERNEL);

checkpatch --strict will warn against this.

-- 
viresh

WARNING: multiple messages have this Message-ID (diff)
From: viresh.kumar@linaro.org (Viresh Kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] cpufreq: imx6q: Fix wrong device in devm_kzalloc
Date: Thu, 22 Oct 2015 18:59:01 +0530	[thread overview]
Message-ID: <20151022132901.GD3897@ubuntu> (raw)
In-Reply-To: <1445503652-777-3-git-send-email-s.hauer@pengutronix.de>

On 22-10-15, 10:47, Sascha Hauer wrote:
> devm_kzalloc must be called with the device that is actually probed,
> not with cpu_dev which resources are not freed when probe fails.
> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  drivers/cpufreq/imx6q-cpufreq.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
> index fabd144..7557d1e 100644
> --- a/drivers/cpufreq/imx6q-cpufreq.c
> +++ b/drivers/cpufreq/imx6q-cpufreq.c
> @@ -260,7 +260,8 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev)
>  	}
>  
>  	/* Make imx6_soc_volt array's size same as arm opp number */
> -	imx6_soc_volt = devm_kzalloc(cpu_dev, sizeof(*imx6_soc_volt) * num, GFP_KERNEL);
> +	imx6_soc_volt = devm_kzalloc(&pdev->dev,
> +			sizeof(*imx6_soc_volt) * num, GFP_KERNEL);

Please rewrite it as:

	imx6_soc_volt = devm_kzalloc(&pdev->dev,
			             sizeof(*imx6_soc_volt) * num, GFP_KERNEL);

checkpatch --strict will warn against this.

-- 
viresh

  parent reply	other threads:[~2015-10-22 13:29 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-22  8:47 cpufreq: i.MX6: -EPROBE_DEFER fixes Sascha Hauer
2015-10-22  8:47 ` Sascha Hauer
2015-10-22  8:47 ` [PATCH 1/4] cpufreq: imx6q: Fix goto wrong error label Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:11   ` Lucas Stach
2015-10-22 10:11     ` Lucas Stach
2015-10-22  8:47 ` [PATCH 2/4] cpufreq: imx6q: Fix wrong device in devm_kzalloc Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:11   ` Lucas Stach
2015-10-22 10:11     ` Lucas Stach
2015-10-22 13:29   ` Viresh Kumar [this message]
2015-10-22 13:29     ` Viresh Kumar
2015-10-22  8:47 ` [PATCH 3/4] cpufreq: imx6q: Fix regulator/clock error handling Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:18   ` Lucas Stach
2015-10-22 10:18     ` Lucas Stach
2015-10-22 13:33   ` Viresh Kumar
2015-10-22 13:33     ` Viresh Kumar
2015-10-26  7:38     ` Sascha Hauer
2015-10-26  7:38       ` Sascha Hauer
2015-10-22  8:47 ` [PATCH 4/4] cpufreq: imx6q: check regulator_get_optional return value Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:23   ` Lucas Stach
2015-10-22 10:23     ` Lucas Stach
2015-10-26  8:17     ` Sascha Hauer
2015-10-26  8:17       ` Sascha Hauer
2015-10-28  3:27 ` cpufreq: i.MX6: -EPROBE_DEFER fixes Rafael J. Wysocki
2015-10-28  3:27   ` Rafael J. Wysocki
2015-10-28  7:59   ` Sascha Hauer
2015-10-28  7:59     ` Sascha Hauer

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