From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752667AbaLYJbQ (ORCPT ); Thu, 25 Dec 2014 04:31:16 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40416 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752616AbaLYJbM (ORCPT ); Thu, 25 Dec 2014 04:31:12 -0500 Date: Thu, 25 Dec 2014 11:30:45 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Geert Uytterhoeven , linux-m68k@vger.kernel.org Subject: [PATCH repost 16/16] m68k/uaccess: fix sparse errors Message-ID: <1419499661-8566-17-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/m68k/include/asm/uaccess_mm.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h index 15901db..c31f53f 100644 --- a/arch/m68k/include/asm/uaccess_mm.h +++ b/arch/m68k/include/asm/uaccess_mm.h @@ -146,7 +146,7 @@ asm volatile ("\n" \ " .previous" \ : "+d" (res), "=&" #reg (__gu_val) \ : "m" (*(ptr)), "i" (err)); \ - (x) = (typeof(*(ptr)))(unsigned long)__gu_val; \ + (x) = (__force typeof(*(ptr)))(__force unsigned long)__gu_val; \ }) #define __get_user(x, ptr) \ @@ -188,7 +188,7 @@ asm volatile ("\n" \ "+a" (__gu_ptr) \ : "i" (-EFAULT) \ : "memory"); \ - (x) = (typeof(*(ptr)))__gu_val; \ + (x) = (__force typeof(*(ptr)))__gu_val; \ break; \ } */ \ default: \ -- MST