KVM: VMX: trivial: use BUG_ON

Author: Julia Lawall <julia@diku.dk>

Use BUG_ON(x) rather than if(x) BUG();

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// 
@@ identifier x; @@
-if (x) BUG();
+BUG_ON(x);

@@ identifier x; @@
-if (!x) BUG();
+BUG_ON(!x);
// 

Signed-off-by: Julia Lawall 
Signed-off-by: Marcelo Tosatti 
---
 arch/x86/kvm/vmx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e26629f..03df703 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4115,8 +4115,7 @@ static int handle_exception(struct kvm_vcpu *vcpu)
 		error_code = vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
 	if (is_page_fault(intr_info)) {
 		/* EPT won't cause page fault directly */
-		if (enable_ept)
-			BUG();
+		BUG_ON(enable_ept);
 		cr2 = vmcs_readl(EXIT_QUALIFICATION);
 		trace_kvm_page_fault(cr2, error_code);
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