From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39A58C433E5 for ; Mon, 20 Jul 2020 17:56:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 12A8522B4E for ; Mon, 20 Jul 2020 17:56:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595267801; bh=ltaNNKrUaC5+8kcmlG0UNFecdtzkKBhXYyBPHetyPaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=2leCPRnHwSZkxuN+Xb4wEUonHsRpY+gqXBPBEAAUNKh+d0jFiDaO+TWmYmrTnIrDg yF9+06C3O1rS1iZy1hTqkekmrRuOTPXnh2fyc7LyzsShNY8OW12OsmDk+5ngZfOJkw J8dknv4VKb/+X9mkatKuhOnkZihdLwGs/TtZ90Tk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729806AbgGTR4k (ORCPT ); Mon, 20 Jul 2020 13:56:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:57036 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389198AbgGTR4k (ORCPT ); Mon, 20 Jul 2020 13:56:40 -0400 Received: from localhost (unknown [213.57.247.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 25EDC20734; Mon, 20 Jul 2020 17:56:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595267799; bh=ltaNNKrUaC5+8kcmlG0UNFecdtzkKBhXYyBPHetyPaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r4C16/UwMhrQHE/lNLHkJMjHkmTfrPRn31BA/GybpciT3JtBPVCO/suwm8AH95/dq U164+SAAzE2ItQIfPHXNgF8HfgWoqbiuYKAsjsRunFDSxSx0VFPh4F7J8lvcRMbpKZ eWp8BcG5V2vQ3h11dYe5LSJkZqikHqsE2gqKIzTw= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , kernel test robot , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next v1 2/2] RDMA/uverbs: Silence shiftTooManyBitsSigned warning Date: Mon, 20 Jul 2020 20:56:27 +0300 Message-Id: <20200720175627.1273096-3-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200720175627.1273096-1-leon@kernel.org> References: <20200720175627.1273096-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky Fix reported by kbuild warning. drivers/infiniband/core/uverbs_cmd.c:1897:47: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour [shiftTooManyBitsSigned] BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31)); ^ Reported-by: kernel test robot Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/uverbs_cmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index c36f22ab9bae..896e2cc046b0 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1892,7 +1892,7 @@ static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs) * Last bit is reserved for extending the attr_mask by * using another field. */ - BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31)); + BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1ULL << 31)); if (cmd.base.attr_mask & ~((IB_USER_LAST_QP_ATTR_MASK << 1) - 1)) -- 2.26.2