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,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 53FF1C433E4 for ; Sun, 19 Jul 2020 06:03:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2CA52207DA for ; Sun, 19 Jul 2020 06:03:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595138615; bh=LZCHWgLF87wsWmXBSss4Kyz2PY2Q0uJMgATPvFB/3oQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ku21LXppclw0djXkWdviKHhq++OdLl8ItPIFdfieBAhccEn7AhNT+1yOcNC/oM4ER tjOhKwP0G3C2sTweNfVjn9kQAR3L9s67zrOqC2TszzPDmwblv4sKLYGRJQxTtL6xzv 0AbyujKIceejL4NnuR3Pvjx4Mwu5S4UTowYo+Bls= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726161AbgGSGDe (ORCPT ); Sun, 19 Jul 2020 02:03:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:49138 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725355AbgGSGDe (ORCPT ); Sun, 19 Jul 2020 02:03:34 -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 2E8FF2073E; Sun, 19 Jul 2020 06:03:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595138613; bh=LZCHWgLF87wsWmXBSss4Kyz2PY2Q0uJMgATPvFB/3oQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t+14cJ6eJgxCg6TkXY9veucoNuM+TaYlfdkSpvffIbet9iiSWjtow3zSRjrLS+F0L /xTNaFBUruzZbWq2Bih0deXf3bj3dkuIu3bYP1m8NrGb/dRcnZMGwUyg1tVv3WJRei zs3aBKAuZ7dMk3Q2pga8DDqZQ+ZzDTtFkKq9HoCw= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , kernel test robot , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next 2/2] RDMA/uverbs: Silence shiftTooManyBitsSigned warning Date: Sun, 19 Jul 2020 09:03:19 +0300 Message-Id: <20200719060319.77603-3-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200719060319.77603-1-leon@kernel.org> References: <20200719060319.77603-1-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 7d2b4258f573..51f8e5464f10 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