From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756414AbbAFPzr (ORCPT ); Tue, 6 Jan 2015 10:55:47 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50656 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755559AbbAFPoE (ORCPT ); Tue, 6 Jan 2015 10:44:04 -0500 Date: Tue, 6 Jan 2015 17:43:47 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Steven Miao , adi-buildroot-devel@lists.sourceforge.net Subject: [PATCH v2 05/40] blackfin/uaccess: fix sparse errors Message-ID: <1420558883-10131-6-git-send-email-mst@redhat.com> References: <1420558883-10131-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1420558883-10131-1-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: Steven Miao --- arch/blackfin/include/asm/uaccess.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h index 57701c3..2dcc930 100644 --- a/arch/blackfin/include/asm/uaccess.h +++ b/arch/blackfin/include/asm/uaccess.h @@ -147,7 +147,7 @@ static inline int bad_user_access_length(void) } \ } else \ _err = -EFAULT; \ - x = (typeof(*(ptr)))_val; \ + x = (__force typeof(*(ptr)))_val; \ _err; \ }) -- MST