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=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 22B0DC433E0 for ; Wed, 6 Jan 2021 12:21:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E85DF2311B for ; Wed, 6 Jan 2021 12:21:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726073AbhAFMVf (ORCPT ); Wed, 6 Jan 2021 07:21:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:58448 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725906AbhAFMVf (ORCPT ); Wed, 6 Jan 2021 07:21:35 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2A7922311B; Wed, 6 Jan 2021 12:20:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609935654; bh=5f3A7Dfa81O5zu/6+zqcUHwJ07D8IzaXO5ekqtK0VQw=; h=From:To:Cc:Subject:Date:From; b=CoS79aCyX2Td6FFgxScGhAbnKV3QNt/KDUbmi8/Rvr/hdQ7jdxQrEc29QqB8ZF9MT wf8DGXZmPTu2l49PKs+cDsVO7Vp5qD8ZjaSTlxte7zmhHRnRDvRrGcP9v9cSAdzdqI 34GeD/O2pUbqx7lskIFwNL1zHweN5LFbOkuzfwwxnURem+sBd/EBmmHr+SNBpSuAZ/ pR+nR2yozrH0CSSAxkZULBADdOYVef6gV5iiAnNGykYP/8Ba5x2f8uimY6xOuvAOmr hsgJEqhg6rASYRXw+Y7dL2gb/WtaD9m3+CaA1+Qnf0+3yp2c1dJCVuAQeVo4eZXDBD mqyS3Uj4o2EhQ== From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next] RDMA/umem: Silence build warning on i386 architecture Date: Wed, 6 Jan 2021 14:20:47 +0200 Message-Id: <20210106122047.498453-1-leon@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky Sacrifice one page in order to silence compilation failure on i386 architecture. drivers/infiniband/core/umem.c:205 __ib_umem_get() warn: impossible condition '(npages > (~0)) => (0-u32max > u32max)' Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/umem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 313fabb9f4a2..95be8cc75d2e 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -202,7 +202,7 @@ static struct ib_umem *__ib_umem_get(struct ib_device *device, } npages = ib_umem_num_pages(umem); - if (npages == 0 || npages > UINT_MAX) { + if (npages == 0 || npages >= UINT_MAX) { ret = -EINVAL; goto out; } -- 2.29.2