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=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 E584EC43461 for ; Wed, 2 Sep 2020 22:43:11 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A50A120758 for ; Wed, 2 Sep 2020 22:43:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="vIU442xW"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fEa2Eg29" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A50A120758 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bst6bNQ9EZnV2VUUsuluCV/3wakz6YX7r/QE8clXXyY=; b=vIU442xW3YKGC13x/6lq1ZISVn Lb9D2lUA+8EvgWAHa+cNLYHLXfaculTBRr3WH++Pps9rRo/NHRIBPfCAgRY8vavFFlKt19HW5QICu VmbJjH+qwARZylQidekHJzLSk+jZ/P/KUaizkbFdN4k9TZ9QjtlPmodgVp2qioFlWoeaO9kJkfq5A wFVrBBZnF9TT/uXI+68DOEzF366epPL9ajglhCS/kTJaHHef+xzHPrkyL8GNRIpsDOA/npJ0AAtWX qw6Af2yYQ2hyBLtGgHG0E1qh5J6ohqSJTa8SYEHl7qJumZacW1xBMbChuZ4IqFSjup6bJAwZDDHIi gnO6z0Mw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDbT9-0006li-Ur; Wed, 02 Sep 2020 22:43:07 +0000 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDbT4-0006jJ-72 for linux-nvme@lists.infradead.org; Wed, 02 Sep 2020 22:43:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1599086579; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=bFLdiWC2nX7vVaaxuyTLcv5u5yht2AKIrSDcJ8V2GtA=; b=fEa2Eg29XoT2rJ6g5SyKrkKUg9Vso7TFdyUYTdE5NXUz+SnMegS+DFk4Nug291VLEBb/4j WqKzVo/N579iGSTid/0oGsVTYZ9GiktbBTbRuJGsPenVAee5lVHpxoQEbhfD7wWrdRVoN4 CJ97jyiiz4bzxCj9psV0yG47Lrl5I8s= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-534-TkqTBKJZOoW0-ASHZswUbQ-1; Wed, 02 Sep 2020 18:42:57 -0400 X-MC-Unique: TkqTBKJZOoW0-ASHZswUbQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 97D2A1DE00; Wed, 2 Sep 2020 22:42:56 +0000 (UTC) Received: from hpz440.redhat.com (ovpn-113-131.rdu2.redhat.com [10.10.113.131]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1872360C0F; Wed, 2 Sep 2020 22:42:56 +0000 (UTC) From: David Milburn To: linux-nvme@lists.infradead.org, sagi@grimberg.me, hch@lst.de, james.smart@broadcom.com Subject: [PATCH v3 1/3] nvme-rdma: cancel async events before freeing event struct Date: Wed, 2 Sep 2020 17:42:52 -0500 Message-Id: <1599086574-85969-2-git-send-email-dmilburn@redhat.com> In-Reply-To: <1599086574-85969-1-git-send-email-dmilburn@redhat.com> References: <1599086574-85969-1-git-send-email-dmilburn@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dmilburn@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200902_184302_294962_5CD7C5A7 X-CRM114-Status: GOOD ( 13.04 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Cancel async event work in case async event has been queued up, and nvme_rdma_submit_async_event() runs after event has been freed. Signed-off-by: David Milburn --- drivers/nvme/host/rdma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 8e5ffe2f117d..9e378d0a0c01 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -835,6 +835,7 @@ static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl, blk_mq_free_tag_set(ctrl->ctrl.admin_tagset); } if (ctrl->async_event_sqe.data) { + cancel_work_sync(&ctrl->ctrl.async_event_work); nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe, sizeof(struct nvme_command), DMA_TO_DEVICE); ctrl->async_event_sqe.data = NULL; -- 2.18.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme