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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 9F957C433F5 for ; Mon, 6 Sep 2021 01:26:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A56A60FE8 for ; Mon, 6 Sep 2021 01:26:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240463AbhIFB12 (ORCPT ); Sun, 5 Sep 2021 21:27:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:39130 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240457AbhIFBZj (ORCPT ); Sun, 5 Sep 2021 21:25:39 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AA96261156; Mon, 6 Sep 2021 01:22:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630891339; bh=srCEX5hDH1f1BlauxJ8yXAYw6/Hk5sS8nPcQ4WwwupE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CMIMRwpnJIEDuVg8UedO5CjYG6TwnlF+JHOFoeUpWEnUSnPiY7mC4KjQ4cE0t50KR yOUIEyVdpgiD1gvmeyl8mQc8EW/O6m5c1ioNsl/81sDc7gj+bYccOz9DSB7z4WGbz9 t2eu54mSgSQAMXC+x4cMPBJRNg9JD+RP1W2yDxzD6tPcC56kzyxZ0ilWzxaGcAK5Ug jmHM1nGcCZ96Iu7216NWGxLlx63vsi+39F3poXeVPPi9vzSdpDtoXiF7N2UZqGJdSE 6kacwbg53sWDnlkdgjzNX4W6dTF4GWB2qU3P443UyXIF8JScM8gjDqg7QuFa6AE02C lwIsBuHrfqXEw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Amit Engel , Christoph Hellwig , Sasha Levin , linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 5.10 21/39] nvmet: pass back cntlid on successful completion Date: Sun, 5 Sep 2021 21:21:35 -0400 Message-Id: <20210906012153.929962-21-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210906012153.929962-1-sashal@kernel.org> References: <20210906012153.929962-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Amit Engel [ Upstream commit e804d5abe2d74cfe23f5f83be580d1cdc9307111 ] According to the NVMe specification, the response dword 0 value of the Connect command is based on status code: return cntlid for successful compeltion return IPO and IATTR for connect invalid parameters. Fix a missing error information for a zero sized queue, and return the cntlid also for I/O queue Connect commands. Signed-off-by: Amit Engel Signed-off-by: Christoph Hellwig Signed-off-by: Sasha Levin --- drivers/nvme/target/fabrics-cmd.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c index 42bd12b8bf00..e62d3d0fa6c8 100644 --- a/drivers/nvme/target/fabrics-cmd.c +++ b/drivers/nvme/target/fabrics-cmd.c @@ -120,6 +120,7 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) if (!sqsize) { pr_warn("queue size zero!\n"); req->error_loc = offsetof(struct nvmf_connect_command, sqsize); + req->cqe->result.u32 = IPO_IATTR_CONNECT_SQE(sqsize); ret = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR; goto err; } @@ -263,11 +264,11 @@ static void nvmet_execute_io_connect(struct nvmet_req *req) } status = nvmet_install_queue(ctrl, req); - if (status) { - /* pass back cntlid that had the issue of installing queue */ - req->cqe->result.u16 = cpu_to_le16(ctrl->cntlid); + if (status) goto out_ctrl_put; - } + + /* pass back cntlid for successful completion */ + req->cqe->result.u16 = cpu_to_le16(ctrl->cntlid); pr_debug("adding queue %d to ctrl %d.\n", qid, ctrl->cntlid); -- 2.30.2