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

From: Viresh Kumar
Date: Mon May 25 2015 - 03:32:16 EST


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@xxxxxxxxx>
> ---
> 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@xxxxxxxxxx>

--
viresh
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/