From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752638AbaLYJa5 (ORCPT ); Thu, 25 Dec 2014 04:30:57 -0500 Received: from mx1.redhat.com ([209.132.183.28]:47208 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752436AbaLYJ3P (ORCPT ); Thu, 25 Dec 2014 04:29:15 -0500 Date: Thu, 25 Dec 2014 11:29:02 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, James Hogan , linux-metag@vger.kernel.org Subject: [PATCH repost 09/16] metag/uaccess: fix sparse errors Message-ID: <1419499661-8566-10-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/metag/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h index 0748b0a..c314b45 100644 --- a/arch/metag/include/asm/uaccess.h +++ b/arch/metag/include/asm/uaccess.h @@ -135,7 +135,7 @@ extern long __get_user_bad(void); ({ \ 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; \ }) @@ -145,7 +145,7 @@ extern long __get_user_bad(void); const __typeof__(*(ptr)) __user *__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