From 87ca74ad920ccc8b9fd1c00bd7177070f17ebc95 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Thu, 24 Aug 2017 20:51:24 +0200 Subject: [PATCH] KVM: x86: mmu: free_page can handle NULL MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Radim Krčmář Signed-off-by: David Hildenbrand Signed-off-by: Radim Krčmář --- arch/x86/kvm/mmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2586c7f..3b7f947 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -4993,8 +4993,7 @@ EXPORT_SYMBOL_GPL(kvm_disable_tdp); static void free_mmu_pages(struct kvm_vcpu *vcpu) { free_page((unsigned long)vcpu->arch.mmu.pae_root); - if (vcpu->arch.mmu.lm_root != NULL) - free_page((unsigned long)vcpu->arch.mmu.lm_root); + free_page((unsigned long)vcpu->arch.mmu.lm_root); } static int alloc_mmu_pages(struct kvm_vcpu *vcpu) -- 2.7.4