[PATCH v2] KVM:nVMX: Make setup/unsetup under the same conditions

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From: Peng Hao <flyingpeng@xxxxxxxxxxx>

Make sure nested_vmx_hardware_setup/unsetup() are called in pairs under
the same conditions.  Calling nested_vmx_hardware_unsetup() when nested
is false "works" right now because it only calls free_page() on zero-
initialized pointers, but it's possible that more code will be added to
nested_vmx_hardware_unsetup() in the future.

Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Peng Hao <flyingpeng@xxxxxxxxxxx>
---
 arch/x86/kvm/vmx/vmx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 75ed7d6f35cc..9fad3c73395a 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7852,7 +7852,7 @@ static __init int hardware_setup(void)
 	vmx_set_cpu_caps();
 
 	r = alloc_kvm_area();
-	if (r)
+	if (r && nested)
 		nested_vmx_hardware_unsetup();
 
 	kvm_set_posted_intr_wakeup_handler(pi_wakeup_handler);
-- 
2.27.0




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