From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: [PATCH v2 10/40] microblaze/uaccess: fix sparse errors Date: Tue, 6 Jan 2015 17:44:02 +0200 Message-ID: <1420558883-10131-11-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 Return-path: Received: from mx1.redhat.com ([209.132.183.28]:36073 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755690AbbAFPoQ (ORCPT ); Tue, 6 Jan 2015 10:44:16 -0500 Content-Disposition: inline In-Reply-To: <1420558883-10131-1-git-send-email-mst@redhat.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Michal Simek , Chen Gang 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/microblaze/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 59a89a6..e41bebf 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -220,7 +220,7 @@ extern long __user_bad(void); } else { \ __gu_err = -EFAULT; \ } \ - x = (typeof(*(ptr)))__gu_val; \ + x = (__force typeof(*(ptr)))__gu_val; \ __gu_err; \ }) @@ -242,7 +242,7 @@ extern long __user_bad(void); default: \ /* __gu_val = 0; __gu_err = -EINVAL;*/ __gu_err = __user_bad();\ } \ - x = (__typeof__(*(ptr))) __gu_val; \ + x = (__force __typeof__(*(ptr))) __gu_val; \ __gu_err; \ }) -- MST