KVM: selftests: Zero out the correct page in the Hyper-V features test

Fix an apparent copy-paste goof in hyperv_features where hcall_page
(which is two pages, so technically just the first page) gets zeroed
twice, and hcall_params gets zeroed none times.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210622200529.3650424-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c
index 9947ef6..030c944 100644 (file)
--- a/tools/testing/selftests/kvm/x86_64/hyperv_features.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_features.c
@@ -630,7 +630,7 @@ int main(void)
        memset(addr_gva2hva(vm, hcall_page), 0x0, 2 * getpagesize());
 
        hcall_params = vm_vaddr_alloc(vm, getpagesize(), 0x20000, 0, 0);
-       memset(addr_gva2hva(vm, hcall_page), 0x0, getpagesize());
+       memset(addr_gva2hva(vm, hcall_params), 0x0, getpagesize());
 
        vcpu_args_set(vm, VCPU_ID, 2, addr_gva2gpa(vm, hcall_page), hcall_params);
        vcpu_enable_cap(vm, VCPU_ID, &cap);