From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763719AbYDQJLg (ORCPT ); Thu, 17 Apr 2008 05:11:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756900AbYDQJKy (ORCPT ); Thu, 17 Apr 2008 05:10:54 -0400 Received: from bzq-179-150-194.static.bezeqint.net ([212.179.150.194]:58867 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756187AbYDQJKv (ORCPT ); Thu, 17 Apr 2008 05:10:51 -0400 From: Avi Kivity To: kvm-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org, Carsten Otte Subject: [PATCH 01/45] s390: fixup for kvm Date: Thu, 17 Apr 2008 12:10:06 +0300 Message-Id: <1208423450-29415-2-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.5 In-Reply-To: <1208423450-29415-1-git-send-email-avi@qumranet.com> References: <1208423450-29415-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Carsten Otte Temporary commit, should appear in mainline shortly. Signed-off-by: Avi Kivity --- arch/s390/lib/uaccess_pt.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 5efdfe9..d68b2ee 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -365,6 +365,9 @@ int futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old) { int oldval = 0, newval, ret; + if (!current->mm) + return -EFAULT; + spin_lock(¤t->mm->page_table_lock); uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr); if (!uaddr) { -- 1.5.5