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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 A3CFDC4708F for ; Tue, 1 Jun 2021 05:57:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7311D61263 for ; Tue, 1 Jun 2021 05:57:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231140AbhFAF7W (ORCPT ); Tue, 1 Jun 2021 01:59:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231139AbhFAF7W (ORCPT ); Tue, 1 Jun 2021 01:59:22 -0400 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5748FC061574 for ; Mon, 31 May 2021 22:57:40 -0700 (PDT) Received: by mail-wr1-x42f.google.com with SMTP id n2so12956103wrm.0 for ; Mon, 31 May 2021 22:57:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1UzoRdNzZKvRlVvDUQdbvyLSNERhgTeDbMdOKJgUyl8=; b=Dl0U4fIZ9KM2UsIZYePEHXAvhKrnDD+r1oMvho1bFj5h5NwQcON2m1CSVGzg/cNt+5 yx+i0eAP8iMv+4oeIUGl4VsYI3+28rMNcP7yi8oQX7NRW+eoX+msudsYSrs5RBs2yZ4R TZoCOsobOXeF7tz/7z7Lm3tUHnow+gkz7+9Jh5wp2cCGCCENHc2rOCaL9fsLJCJZ0VX/ 98a4Szqq9oZa6E0a4uiSzloTaZAODMF7c1kOskdXn5rKjrI1b8tAeg6R2U11cfofa4Mg YMeWcRct8rCVsPKEgLBpU+hfLKngL5j/JWIKkxSNB8siVfXZ837raOSYLbA8yF/j2PKQ 5A3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1UzoRdNzZKvRlVvDUQdbvyLSNERhgTeDbMdOKJgUyl8=; b=BQ+ZRqqC5NI8dC99QOJswHnn6Q5lCJPj1yN+4My0nnDlZOflQzvYKbHj/JDPoe5BHG b+XXJg63U7zkQoQJu0kAw9J9KK36NPQi5UsxjPuG30THWA1Mv+T9mDGzDbID8H57xohO cCBLA3TLX+bPekixBPr1vm6FQQz932Bs6CdTeey/3RUoKBeAG0AF5ycsSwm4yDcWJOZ3 4rAc2fCSb43vWYeqTPKs7A/ZOzDMHwJ066eM9pJnnqFQqD/ljIeKNAzNYmvxboCufdSP tc2X3KNDy/oeodVXQBfPGgkJhTaVcXTLLCFtXx1O6mPL89hwvnPtREAZR6THP/oMvDWl wx1g== X-Gm-Message-State: AOAM530OYnNedZxdlstYMmu8igZ0GuftYwL/iJ6UUSbK0mRu0lv8N00S Cu4Ow1niWfCSk6fbIva8+Yiu/makvleMzA== X-Google-Smtp-Source: ABdhPJzESHa4OKBG7uria2VBygHt8r/SjXxIUIQKXEegBUU5jA4g785bwN7S3g/vVcTCC+YDRc/0uA== X-Received: by 2002:a5d:684b:: with SMTP id o11mr9573366wrw.382.1622527057564; Mon, 31 May 2021 22:57:37 -0700 (PDT) Received: from kheib-workstation.redhat.com ([2a00:a040:19b:e02f::1006]) by smtp.gmail.com with ESMTPSA id a12sm6611460wmj.36.2021.05.31.22.57.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 May 2021 22:57:37 -0700 (PDT) From: Kamal Heib To: linux-rdma@vger.kernel.org Cc: Doug Ledford , Jason Gunthorpe , Kamal Heib Subject: [PATCH for-rc] RDMA/rxe: Fix failure during driver load Date: Tue, 1 Jun 2021 08:56:12 +0300 Message-Id: <20210601055612.195653-1-kamalheib1@gmail.com> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org To avoid the following failure when trying to load the rdma_rxe module while IPv6 is disabled, Add a check to make sure that IPv6 is enabled before trying to create the IPv6 UDP tunnel. $ modprobe rdma_rxe modprobe: ERROR: could not insert 'rdma_rxe': Operation not permitted Fixes: dfdd6158ca2c ("IB/rxe: Fix kernel panic in udp_setup_tunnel") Signed-off-by: Kamal Heib --- drivers/infiniband/sw/rxe/rxe_net.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index 01662727dca0..f353fc18769f 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -617,12 +617,14 @@ static int rxe_net_ipv6_init(void) { #if IS_ENABLED(CONFIG_IPV6) - recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net, - htons(ROCE_V2_UDP_DPORT), true); - if (IS_ERR(recv_sockets.sk6)) { - recv_sockets.sk6 = NULL; - pr_err("Failed to create IPv6 UDP tunnel\n"); - return -1; + if (ipv6_mod_enabled()) { + recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net, + htons(ROCE_V2_UDP_DPORT), true); + if (IS_ERR(recv_sockets.sk6)) { + recv_sockets.sk6 = NULL; + pr_err("Failed to create IPv6 UDP tunnel\n"); + return -1; + } } #endif return 0; -- 2.26.3