From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752741AbaLYJcN (ORCPT ); Thu, 25 Dec 2014 04:32:13 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48901 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752328AbaLYJ3D (ORCPT ); Thu, 25 Dec 2014 04:29:03 -0500 Date: Thu, 25 Dec 2014 11:28:52 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Mikael Starvik , Jesper Nilsson , linux-cris-kernel@axis.com Subject: [PATCH repost 06/16] cris/uaccess: fix sparse errors Message-ID: <1419499661-8566-7-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 --- arch/cris/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h index 9145408..958a350 100644 --- a/arch/cris/include/asm/uaccess.h +++ b/arch/cris/include/asm/uaccess.h @@ -153,7 +153,7 @@ struct __large_struct { unsigned long buf[100]; }; ({ \ long __gu_err, __gu_val; \ __get_user_size(__gu_val,(ptr),(size),__gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ }) @@ -163,7 +163,7 @@ struct __large_struct { unsigned long buf[100]; }; const __typeof__(*(ptr)) *__gu_addr = (ptr); \ if (access_ok(VERIFY_READ,__gu_addr,size)) \ __get_user_size(__gu_val,__gu_addr,(size),__gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ }) -- MST