From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752765AbaLYJca (ORCPT ); Thu, 25 Dec 2014 04:32:30 -0500 Received: from mx1.redhat.com ([209.132.183.28]:47165 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752315AbaLYJ3A (ORCPT ); Thu, 25 Dec 2014 04:29:00 -0500 Date: Thu, 25 Dec 2014 11:28:45 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Hans-Christian Egtvedt , Haavard Skinnemoen Subject: [PATCH repost 04/16] avr32/uaccess: fix sparse errors Message-ID: <1419499661-8566-5-git-send-email-mst@redhat.com> References: <1419499661-8566-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1419499661-8566-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org virtio wants to read bitwise types from userspace using get_user. At the moment this triggers sparse errors, since the value is passed through an integer. Fix that up using __force. Signed-off-by: Michael S. Tsirkin Acked-by: Hans-Christian Egtvedt --- arch/avr32/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index 245b2ee..ec6ce63 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -191,7 +191,7 @@ extern int __put_user_bad(void); default: __gu_err = __get_user_bad(); break; \ } \ \ - x = (typeof(*(ptr)))__gu_val; \ + x = (__force typeof(*(ptr)))__gu_val; \ __gu_err; \ }) @@ -222,7 +222,7 @@ extern int __put_user_bad(void); } else { \ __gu_err = -EFAULT; \ } \ - x = (typeof(*(ptr)))__gu_val; \ + x = (__force typeof(*(ptr)))__gu_val; \ __gu_err; \ }) -- MST