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=-10.1 required=3.0 tests=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=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 D76AAC433EF for ; Sun, 8 Sep 2019 08:07:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A3120214D9 for ; Sun, 8 Sep 2019 08:07:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567930052; bh=ROToltyCXdQRA1OdVl3fYxBtFlviqXBGKGUL7H1tyoE=; h=From:To:Cc:Subject:Date:List-ID:From; b=E0ryeHEuN6Juin8Xd0Qf5f0ZZKArdQz3zm8a5ILH7Ke4EW17BHSNLo9ZD+vajdDLa nxjGrQmhWYiVrZnQjbTBpydJwwpsEIARf/5YhZHsy199EYVKMvqBnC81oI1TX+oHL9 6qFrxP4chH5L4Q8WERoVERgaX3YZBdrp1hkQa9n0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726504AbfIHIHc (ORCPT ); Sun, 8 Sep 2019 04:07:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:49960 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726634AbfIHIHc (ORCPT ); Sun, 8 Sep 2019 04:07:32 -0400 Received: from localhost (unknown [77.137.95.132]) (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 DE7B620854; Sun, 8 Sep 2019 08:07:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567930051; bh=ROToltyCXdQRA1OdVl3fYxBtFlviqXBGKGUL7H1tyoE=; h=From:To:Cc:Subject:Date:From; b=uQ/xEA+dU4WHYAQEj80AZdWPu1QLJnvJw22Y6FvvpMK3dMBSzn5UzUw8wrz6iLx01 GxtH4OaHCkjDJilth+Twtg1dBMBWB2/3g4+x96ICSt6kcwcRACB5YKZ4IzTlWIhmIC tC3ByFLwhFsifCJyjsnyWCPeGPl6KA63lDjh2Q2M= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: RDMA mailing list , Jason Gunthorpe , Leon Romanovsky Subject: [PATCH rdma-next] RDMA/odp: Add missing cast for 32 bit Date: Sun, 8 Sep 2019 11:07:26 +0300 Message-Id: <20190908080726.30017-1-leon@kernel.org> X-Mailer: git-send-email 2.21.0 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: Jason Gunthorpe length is a size_t which is unsigned int on 32 bit: ../drivers/infiniband/core/umem_odp.c: In function 'ib_init_umem_odp': ../include/linux/overflow.h:59:15: warning: comparison of distinct pointer types lacks a cast 59 | (void) (&__a == &__b); \ | ^~ ../drivers/infiniband/core/umem_odp.c:220:7: note: in expansion of macro 'check_add_overflow' Fixes: 204e3e5630c5 ("RDMA/odp: Check for overflow when computing the umem_odp end") Signed-off-by: Jason Gunthorpe Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/umem_odp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index 32fb0b579dec..bd01c77aeef0 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -293,7 +293,7 @@ static inline int ib_init_umem_odp(struct ib_umem_odp *umem_odp, umem_odp->interval_tree.start = ALIGN_DOWN(umem_odp->umem.address, page_size); if (check_add_overflow(umem_odp->umem.address, - umem_odp->umem.length, + (unsigned long)umem_odp->umem.length, &umem_odp->interval_tree.last)) return -EOVERFLOW; umem_odp->interval_tree.last = -- 2.20.1