[PATCH] selftests: kvm: Fix the check of return value

From: Zhenzhong Duan
Date: Sun Apr 25 2021 - 23:31:10 EST


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@xxxxxxxxx>
---
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