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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D92EFC433F5 for ; Mon, 24 Jan 2022 19:32:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353109AbiAXTcu (ORCPT ); Mon, 24 Jan 2022 14:32:50 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:57714 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352589AbiAXTao (ORCPT ); Mon, 24 Jan 2022 14:30:44 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 23E7661488; Mon, 24 Jan 2022 19:30:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 04637C340E5; Mon, 24 Jan 2022 19:30:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643052643; bh=04ATbOZ0gpjTv7LO1aetEmk2zJZK8LUVag571LjjgUI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BVS88otQ4+UCNxC+ukZU8I/bJaO2xvNmmlrFr/j7EBShCXcVJ/Czp1jUme1L73sTH 7lRReRMIdMnumsXBmN9Cj4IGJiKbPM9+xuBdBrAjGVWoQqDte1pjP1Ee5Y9iwQZZnC hTUmeUEJ0NEI0XPKeeIOl+KZ6+cgn/cCYpDs31Z4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kamal Heib , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.4 126/320] RDMA/hns: Validate the pkey index Date: Mon, 24 Jan 2022 19:41:50 +0100 Message-Id: <20220124183957.961295397@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124183953.750177707@linuxfoundation.org> References: <20220124183953.750177707@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Kamal Heib [ Upstream commit 2a67fcfa0db6b4075515bd23497750849b88850f ] Before query pkey, make sure that the queried index is valid. Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver") Link: https://lore.kernel.org/r/20211117145954.123893-1-kamalheib1@gmail.com Signed-off-by: Kamal Heib Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index f23a341400c06..a360e214deaa8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -279,6 +279,9 @@ static enum rdma_link_layer hns_roce_get_link_layer(struct ib_device *device, static int hns_roce_query_pkey(struct ib_device *ib_dev, u8 port, u16 index, u16 *pkey) { + if (index > 0) + return -EINVAL; + *pkey = PKEY_ID; return 0; -- 2.34.1