Re: [PATCH] KVM: arm/arm64: Fix memory leak if timer initialization fails

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On 10/06/2015 03:14 AM, Pavel Fedin wrote:
> Jump to correct label and free kvm_host_cpu_state
> 
> Signed-off-by: Pavel Fedin <p.fedin@xxxxxxxxxxx>
> ---
>  arch/arm/kvm/arm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> index dc017ad..78b2869 100644
> --- a/arch/arm/kvm/arm.c
> +++ b/arch/arm/kvm/arm.c
> @@ -1080,7 +1080,7 @@ static int init_hyp_mode(void)
>  	 */
>  	err = kvm_timer_hyp_init();
>  	if (err)
> -		goto out_free_mappings;
> +		goto out_free_context;
>  
>  #ifndef CONFIG_HOTPLUG_CPU
>  	free_boot_hyp_pgd();
> 


kvm_host_cpu_state was allocated before kvm_timer_hyp_init() is called.
So it needs to be freed when kvm_timer_hyp_init() fails.

Reviewed-by: Wei Huang <wei@xxxxxxxxxx>

Thanks,
-Wei
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