Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH] selftests: kvm: Fix the check of return value
To:     Zhenzhong Duan <zhenzhong.duan@intel.com>,
        linux-kernel@vger.kernel.org
Cc:     linux-kselftest@vger.kernel.org, kvm@vger.kernel.org,
        shuah@kernel.org
References: <20210426193138.118276-1-zhenzhong.duan@intel.com>
From:   Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <0d23822d-1510-d615-c3bf-200b6636b766@redhat.com>
Date:   Mon, 26 Apr 2021 11:28:29 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.7.0
MIME-Version: 1.0
In-Reply-To: <20210426193138.118276-1-zhenzhong.duan@intel.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 26/04/21 21:31, Zhenzhong Duan wrote:
> In vm_vcpu_rm() and kvm_vm_release(), a stale return value is checked in
> TEST_ASSERT macro.
> 
> Fix it by assigning variable ret with correct return value.
> 
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> ---
>   tools/testing/selftests/kvm/lib/kvm_util.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> index b8849a1aca79..53d3a7eb0d47 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -514,7 +514,7 @@ static void vm_vcpu_rm(struct kvm_vm *vm, struct vcpu *vcpu)
>   	ret = munmap(vcpu->state, vcpu_mmap_sz());
>   	TEST_ASSERT(ret == 0, "munmap of VCPU fd failed, rc: %i "
>   		"errno: %i", ret, errno);
> -	close(vcpu->fd);
> +	ret = close(vcpu->fd);
>   	TEST_ASSERT(ret == 0, "Close of VCPU fd failed, rc: %i "
>   		"errno: %i", ret, errno);
>   
> @@ -534,7 +534,7 @@ void kvm_vm_release(struct kvm_vm *vmp)
>   	TEST_ASSERT(ret == 0, "Close of vm fd failed,\n"
>   		"  vmp->fd: %i rc: %i errno: %i", vmp->fd, ret, errno);
>   
> -	close(vmp->kvm_fd);
> +	ret = close(vmp->kvm_fd);
>   	TEST_ASSERT(ret == 0, "Close of /dev/kvm fd failed,\n"
>   		"  vmp->kvm_fd: %i rc: %i errno: %i", vmp->kvm_fd, ret, errno);
>   }
> 

Queued, thanks.

Paolo