Re: [PATCH] cpufreq: powernow-k8: Fix possible memory leak in powernowk8_cpu_init()

[Viresh Kumar]

On 27-07-26, 15:05, Abdun Nihaal wrote:
> The memory allocated for data->powernow_table inside
> powernow_k8_cpu_init_acpi() or find_psb_table() is not freed in one of
> the error paths in powernowk8_cpu_init(). Fix that by adding a kfree().
> 
> Fixes: 1ff6e97f1d99 ("[CPUFREQ] cpumask: avoid playing with cpus_allowed in powernow-k8.c")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Abdun Nihaal <nihaal@xxxxxxxxxxxxxx>
> ---
> Compile tested only. Issue found using static analysis.
> 
>  drivers/cpufreq/powernow-k8.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
> index fe1f499b4fc0..c9bcc6f0ab7b 100644
> --- a/drivers/cpufreq/powernow-k8.c
> +++ b/drivers/cpufreq/powernow-k8.c
> @@ -1085,6 +1085,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
>  
>  err_out_exit_acpi:
>  	powernow_k8_cpu_exit_acpi(data);
> +	kfree(data->powernow_table);
>  
>  err_out:
>  	kfree(data);

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

-- 
viresh