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* Re: [PATCH] selftests: kvm: Fix the check of return value
  2021-04-26 19:31 [PATCH] selftests: kvm: Fix the check of return value Zhenzhong Duan
@ 2021-04-26  9:28 ` Paolo Bonzini
  0 siblings, 0 replies; 2+ messages in thread
From: Paolo Bonzini @ 2021-04-26  9:28 UTC (permalink / raw)
  To: Zhenzhong Duan, linux-kernel; +Cc: linux-kselftest, kvm, shuah

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


^ permalink raw reply	[flat|nested] 2+ messages in thread

* [PATCH] selftests: kvm: Fix the check of return value
@ 2021-04-26 19:31 Zhenzhong Duan
  2021-04-26  9:28 ` Paolo Bonzini
  0 siblings, 1 reply; 2+ messages in thread
From: Zhenzhong Duan @ 2021-04-26 19:31 UTC (permalink / raw)
  To: linux-kernel; +Cc: linux-kselftest, kvm, pbonzini, shuah, Zhenzhong Duan

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);
 }
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

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2021-04-26 19:31 [PATCH] selftests: kvm: Fix the check of return value Zhenzhong Duan
2021-04-26  9:28 ` Paolo Bonzini

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