From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965187AbXCLGrq (ORCPT ); Mon, 12 Mar 2007 02:47:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965202AbXCLGrp (ORCPT ); Mon, 12 Mar 2007 02:47:45 -0400 Received: from nf-out-0910.google.com ([64.233.182.191]:55151 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965193AbXCLGrp (ORCPT ); Mon, 12 Mar 2007 02:47:45 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=i7IsMW1KgvQMD+NTrlTZpuVcHVcKRaRG3nS9MkBV0L45yqtuvHcxytu+CGUJQN5xjSkoJlv2TABPFT4FcOGUZU0GENAjQcxKiEtEcEpMZUH2lvVdLyGGlLQOpQdZbK5wcXlCLVSJkg2D+Kjbzen5s8O4Z1tQ3tbjvoSo7DQ+3pc= Message-ID: <2375c9f90703112347r755bb59ehb17843c87f8e7353@mail.gmail.com> Date: Mon, 12 Mar 2007 14:47:43 +0800 From: "Cong WANG" To: linux-kernel@vger.kernel.org, avi@qumranet.com Subject: [PATCH]Replace 0 with NULL when returning a pointer MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Use NULL to indicate we are returning a pointer rather than an integer and to eliminate some sparse warnings. Signed-off-by: Cong WANG --- --- drivers/kvm/kvm_main.c.orig 2007-03-11 21:41:23.000000000 +0800 +++ drivers/kvm/kvm_main.c 2007-03-12 14:26:17.000000000 +0800 @@ -205,7 +205,7 @@ static struct kvm_vcpu *vcpu_load(struct mutex_lock(&vcpu->mutex); if (unlikely(!vcpu->vmcs)) { mutex_unlock(&vcpu->mutex); - return 0; + return NULL; } return kvm_arch_ops->vcpu_load(vcpu); } @@ -799,7 +799,7 @@ struct kvm_memory_slot *gfn_to_memslot(s && gfn < memslot->base_gfn + memslot->npages) return memslot; } - return 0; + return NULL; } EXPORT_SYMBOL_GPL(gfn_to_memslot);