Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752525AbaLNQxD (ORCPT ); Sun, 14 Dec 2014 11:53:03 -0500 Received: from mx1.redhat.com ([209.132.183.28]:49390 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752448AbaLNQw5 (ORCPT ); Sun, 14 Dec 2014 11:52:57 -0500 Date: Sun, 14 Dec 2014 18:52:42 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Jonas Bonn , linux@openrisc.net Subject: [PATCH 11/18] openrisc/uaccess: fix sparse errors Message-ID: <1418575877-21488-12-git-send-email-mst@redhat.com> References: <1418575877-21488-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1418575877-21488-1-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/openrisc/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index ab2e7a1..7be8d35 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -192,7 +192,7 @@ struct __large_struct { ({ \ 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; \ }) @@ -202,7 +202,7 @@ struct __large_struct { 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/