KVM: x86: mmu: free_page can handle NULL

Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 2586c7fd0deaf3135724d077df1125c164f3045d..3b7f94715c57a8f36800340da52cfa2f0feccd39 100644 (file)
--- 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)