Re: [PATCH] KVM: x86: fix error return code in kvm_arch_vcpu_init()

[Paolo Bonzini <pbonzini@redhat.com>]

Il 18/04/2013 01:41, Wei Yongjun ha scritto:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> Fix to return a negative error code from the error handling
> case instead of 0, as returned elsewhere in this function.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> ---
>  arch/x86/kvm/x86.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index e172132..c45d656 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -6706,8 +6706,10 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
>  	}
>  	vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS;
>  
> -	if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, GFP_KERNEL))
> +	if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, GFP_KERNEL)) {
> +		r = -ENOMEM;
>  		goto fail_free_mce_banks;
> +	}
>  
>  	r = fx_init(vcpu);
>  	if (r)
> 
> --
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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>