From patchwork Mon Dec 2 11:12:43 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yann Droneaud X-Patchwork-Id: 3264741 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 57DAD9F374 for ; Mon, 2 Dec 2013 11:13:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 453EF20279 for ; Mon, 2 Dec 2013 11:13:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 88DB3202E9 for ; Mon, 2 Dec 2013 11:13:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753187Ab3LBLNg (ORCPT ); Mon, 2 Dec 2013 06:13:36 -0500 Received: from smtp2-g21.free.fr ([212.27.42.2]:49595 "EHLO smtp2-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752724Ab3LBLNf (ORCPT ); Mon, 2 Dec 2013 06:13:35 -0500 Received: from localhost.localdomain (unknown [37.163.28.200]) by smtp2-g21.free.fr (Postfix) with ESMTP id 757FB4B0064; Mon, 2 Dec 2013 12:13:28 +0100 (CET) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by localhost.localdomain (8.14.7/8.14.7) with ESMTP id rB2BDPwt023889; Mon, 2 Dec 2013 12:13:25 +0100 Received: (from ydroneaud@localhost) by localhost.localdomain (8.14.7/8.14.7/Submit) id rB2BDOxe023888; Mon, 2 Dec 2013 12:13:24 +0100 From: Yann Droneaud To: Roland Dreier , linux-rdma@vger.kernel.org Cc: Or Gerlitz , Matan Barak , Yann Droneaud Subject: [PATCH v2 for v3.13 1/8] IB/core: const'ify inbuf in struct ib_udata Date: Mon, 2 Dec 2013 12:12:43 +0100 Message-Id: <78715231cf85ca63beb9cb02d601584324cea9c9.1385981934.git.ydroneaud@opteya.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Userspace input buffer is not modified by kernel, let it be 'const'. It's also a prerequisite to remove the implicit cast from INIT_UDATA(). Link: http://marc.info/?i=cover.1385981934.git.ydroneaud@opteya.com Signed-off-by: Yann Droneaud --- drivers/infiniband/core/uverbs.h | 2 +- include/rdma/ib_verbs.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index bdc842e9faef..9879568aed8c 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -49,7 +49,7 @@ #define INIT_UDATA(udata, ibuf, obuf, ilen, olen) \ do { \ - (udata)->inbuf = (void __user *) (ibuf); \ + (udata)->inbuf = (const void __user *) (ibuf); \ (udata)->outbuf = (void __user *) (obuf); \ (udata)->inlen = (ilen); \ (udata)->outlen = (olen); \ diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 979874c627ee..61e1935c91b1 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -978,7 +978,7 @@ struct ib_uobject { }; struct ib_udata { - void __user *inbuf; + const void __user *inbuf; void __user *outbuf; size_t inlen; size_t outlen;