From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: [PATCH resend] KVM: MMU: fix compile warning in kvm_send_hwpoison_signal() Date: Fri, 04 Jun 2010 22:02:35 +0800 Message-ID: <4C09077B.3070802@cn.fujitsu.com> References: <4C0754DD.3030305@web.de> <4C07586B.4070709@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Jan Kiszka , Marcelo Tosatti , kvm To: Avi Kivity Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:51069 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932288Ab0FDOGH convert rfc822-to-8bit (ORCPT ); Fri, 4 Jun 2010 10:06:07 -0400 In-Reply-To: <4C07586B.4070709@cn.fujitsu.com> Sender: kvm-owner@vger.kernel.org List-ID: fix: arch/x86/kvm/mmu.c: In function =E2=80=98kvm_send_hwpoison_signal=E2=80= =99: arch/x86/kvm/mmu.c:2051: warning: ignoring return value of =E2=80=98cop= y_from_user=E2=80=99, declared with attribute warn_unused_resul Reported-by: Jan Kiszka Signed-off-by: Xiao Guangrong --- arch/x86/kvm/mmu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c16c4ca..a62e3ba 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2049,7 +2049,7 @@ static void kvm_send_hwpoison_signal(struct kvm *= kvm, gfn_t gfn) =20 /* Touch the page, so send SIGBUS */ hva =3D (void __user *)gfn_to_hva(kvm, gfn); - (void)copy_from_user(buf, hva, 1); + r =3D copy_from_user(buf, hva, 1); } =20 static int kvm_handle_bad_page(struct kvm *kvm, gfn_t gfn, pfn_t pfn) --=20 1.6.1.2