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cpufreq: exynos: Fix for memory leak in case SoC name does not match

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During probe free the memory allocated to "exynos_info" in case of
unknown SoC type.

Signed-off-by: Shailendra Verma <shailendra.capricorn@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
[k.kozlowski: Rebased the patch around if(of_machine_is_compatible)]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Shailendra Verma 2015-08-04 16:45:16 +09:00 committed by Rafael J. Wysocki
parent f7644cbfcd
commit 62c3f2fddd
1 changed files with 4 additions and 2 deletions
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6
drivers/cpufreq/exynos-cpufreq.c
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@ -180,7 +180,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
ret = exynos5250_cpufreq_init(exynos_info); ret = exynos5250_cpufreq_init(exynos_info);
} else { } else {
pr_err("%s: Unknown SoC type\n", __func__); pr_err("%s: Unknown SoC type\n", __func__);
return -ENODEV; ret = -ENODEV;
} }
if (ret) if (ret)
@ -188,12 +188,14 @@ static int exynos_cpufreq_probe(struct platform_device *pdev)
if (exynos_info->set_freq == NULL) { if (exynos_info->set_freq == NULL) {
dev_err(&pdev->dev, "No set_freq function (ERR)\n"); dev_err(&pdev->dev, "No set_freq function (ERR)\n");
ret = -EINVAL;
goto err_vdd_arm; goto err_vdd_arm;
} }
arm_regulator = regulator_get(NULL, "vdd_arm"); arm_regulator = regulator_get(NULL, "vdd_arm");
if (IS_ERR(arm_regulator)) { if (IS_ERR(arm_regulator)) {
dev_err(&pdev->dev, "failed to get resource vdd_arm\n"); dev_err(&pdev->dev, "failed to get resource vdd_arm\n");
ret = -EINVAL;
goto err_vdd_arm; goto err_vdd_arm;
} }
@ -225,7 +227,7 @@ err_cpufreq_reg:
regulator_put(arm_regulator); regulator_put(arm_regulator);
err_vdd_arm: err_vdd_arm:
kfree(exynos_info); kfree(exynos_info);
return -EINVAL; return ret;
} }
static struct platform_driver exynos_cpufreq_platdrv = { static struct platform_driver exynos_cpufreq_platdrv = {