Message ID | 3d322fc684f15f4658fb8489adaf15f22fd35c29.1620343860.git.metze@samba.org (mailing list archive) |
---|---|
State | Changes Requested |
Headers | show
Return-Path: <linux-rdma-owner@kernel.org> 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 5B915C433B4 for <linux-rdma@archiver.kernel.org>; Thu, 6 May 2021 23:39:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F0F661164 for <linux-rdma@archiver.kernel.org>; Thu, 6 May 2021 23:39:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232890AbhEFXks (ORCPT <rfc822;linux-rdma@archiver.kernel.org>); Thu, 6 May 2021 19:40:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232896AbhEFXkr (ORCPT <rfc822;linux-rdma@vger.kernel.org>); Thu, 6 May 2021 19:40:47 -0400 Received: from hr2.samba.org (hr2.samba.org [IPv6:2a01:4f8:192:486::2:0]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8D92C061761 for <linux-rdma@vger.kernel.org>; Thu, 6 May 2021 16:39:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=samba.org; s=42; h=Message-Id:Date:Cc:To:From; bh=c2m/BivsbwLTT/EdW8cczakrbQ6UcyoLiKFwaX4IFWo=; b=j0agjUiLh8Vs4rGwd4wITPFdrS PyTbJeAz5NFWHK8VHtOrSUoiM9zKBQ+br4woGIJUKadYbdwdD4xN+H/ZJKVt/g5kNba5iRTFjMyWI 1DWDsyASIrpyJtsl/SC16Tu7tzUoyvNxUb5yNrfM+RnOtAgTbWHwqxThROH0j9v89UDU/CkjY5lWQ 6lm2/AdkRfKmL5QUXhdbBG9kIy6mjdFp63n0yMFpXejRfzK4rTxnJ3fJfAiDLHtHS4dR1TNdFMV7Q 3+RMseNEdjPGMc9+IvcXF/cK6UWdc4xkP8wuFPp5fOcgUBeqAY1bbguolb7Ot+o9y/fmYqq9OwvLt wRfNbkyW6Q+/eWxW3Y8mNdqAnLBVIJj/DchPWjkD+DKf5+xW2BqI5jOnSAvwdP2PMaxfpRPJPEXFc LMisJPj3l9q7vNj8hUsyzzj47rDFLNVTHKUENNRlRcID59Q4nblHIx3dwywfP5BJ2fupUdKDmixPe 1gkJ+cYSm7ioRJ1JF/2tJJfw; Received: from [127.0.0.2] (localhost [127.0.0.1]) by hr2.samba.org with esmtpsa (TLS1.3:ECDHE_RSA_CHACHA20_POLY1305:256) (Exim) id 1lenat-0004O8-0c; Thu, 06 May 2021 23:39:47 +0000 From: Stefan Metzmacher <metze@samba.org> To: Bernard Metzler <bmt@zurich.ibm.com> Cc: linux-rdma@vger.kernel.org, Stefan Metzmacher <metze@samba.org> Subject: [PATCH 26/31] rdma/siw: make use of __siw_cep_close() in siw_cm_work_handler() Date: Fri, 7 May 2021 01:36:32 +0200 Message-Id: <3d322fc684f15f4658fb8489adaf15f22fd35c29.1620343860.git.metze@samba.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <cover.1620343860.git.metze@samba.org> References: <cover.1620343860.git.metze@samba.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <linux-rdma.vger.kernel.org> X-Mailing-List: linux-rdma@vger.kernel.org |
Series |
rdma/siw: fix a lot of deadlocks and use after free bugs
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expand
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diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c index a2a5a36370af..3dc80c21ac60 100644 --- a/drivers/infiniband/sw/siw/siw_cm.c +++ b/drivers/infiniband/sw/siw/siw_cm.c @@ -1244,15 +1244,7 @@ static void siw_cm_work_handler(struct work_struct *w) siw_cep_set_inuse(cep); siw_qp_put(qp); } - if (cep->sock) { - siw_socket_disassoc(cep->sock); - sock_release(cep->sock); - cep->sock = NULL; - } - if (cep->cm_id) { - cep->cm_id->rem_ref(cep->cm_id); - cep->cm_id = NULL; - } + __siw_cep_close(cep); } siw_cep_set_free(cep); siw_put_work(work);
We should always go to that common function in order to avoid potential problems in future. Fixes: 6c52fdc244b5 ("rdma/siw: connection management") Signed-off-by: Stefan Metzmacher <metze@samba.org> Cc: Bernard Metzler <bmt@zurich.ibm.com> Cc: linux-rdma@vger.kernel.org --- drivers/infiniband/sw/siw/siw_cm.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)