From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751951AbcFNObj (ORCPT ); Tue, 14 Jun 2016 10:31:39 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:48021 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751239AbcFNObh (ORCPT ); Tue, 14 Jun 2016 10:31:37 -0400 Date: Tue, 14 Jun 2016 07:31:32 -0700 From: Christoph Hellwig To: Steve Wise Cc: "'Sagi Grimberg'" , "'Christoph Hellwig'" , axboe@kernel.dk, keith.busch@intel.com, "'Ming Lin'" , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, "'Jay Freyensee'" , "'Armen Baloyan'" Subject: Re: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver Message-ID: <20160614143132.GA17800@infradead.org> References: <1465248215-18186-1-git-send-email-hch@lst.de> <1465248215-18186-5-git-send-email-hch@lst.de> <5756B75C.9000409@lightbits.io> <057a01d1c2a3$3082eec0$9188cc40$@opengridcomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <057a01d1c2a3$3082eec0$9188cc40$@opengridcomputing.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 09, 2016 at 06:03:51PM -0500, Steve Wise wrote: > The above nvmet cm event handler, nvmet_rdma_cm_handler(), calls > nvmet_rdma_queue_connect() for CONNECT_REQUEST events, which calls > nvmet_rdma_alloc_queue (), which, if it encounters a failure (like creating > the qp), calls nvmet_rdma_cm_reject () which calls rdma_reject(). The > non-zero error, however, gets returned back here and this function returns > the error to the RDMA_CM which will also reject the connection as well as > destroy the cm_id. So there are two rejects happening, I think. Either > nvmet should reject and destroy the cm_id, or it should do neither and > return non-zero to the RDMA_CM to reject/destroy. Can you just send a patch?