From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Hildenbrand Subject: [PATCH v1 03/13] KVM: x86: mmu: free_page can handle NULL Date: Fri, 4 Aug 2017 15:14:18 +0200 Message-ID: <20170804131428.15844-4-david@redhat.com> References: <20170804131428.15844-1-david@redhat.com> Cc: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , david@redhat.com To: kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:51738 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752490AbdHDNOj (ORCPT ); Fri, 4 Aug 2017 09:14:39 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5B3CB5BEC9 for ; Fri, 4 Aug 2017 13:14:39 +0000 (UTC) In-Reply-To: <20170804131428.15844-1-david@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: David Hildenbrand --- 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 3769613..98e72ee 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -4881,8 +4881,7 @@ 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) -- 2.9.4