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[v2,02/15] KVM: x86: mmu: free_page can handle NULL

Message ID 20170824185137.6253-3-david@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

David Hildenbrand Aug. 24, 2017, 6:51 p.m. UTC 
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 arch/x86/kvm/mmu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index e29ab2e762bb..26ae7d9a6314 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4931,8 +4931,7 @@  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)