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 9D121C43219 for ; Mon, 6 Sep 2021 01:22:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 89CCC611B0 for ; Mon, 6 Sep 2021 01:22:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239854AbhIFBYA (ORCPT ); Sun, 5 Sep 2021 21:24:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:38926 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239098AbhIFBWt (ORCPT ); Sun, 5 Sep 2021 21:22:49 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EB08361102; Mon, 6 Sep 2021 01:21:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630891280; bh=yeLzWJhPWJZDhdGNl7eo4Qj3xSfSSQ8tBHBpGLlfZDU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M05XmtcVjjEmHPvgkz1rJZ9oKlPfoJCmNGuytFcI4faMmWapKtctGc7NbHMyp/GEw I+kKoZ0r3XsOLy4xaGGXDn/LopOULcD0VjqMCCj3QB8G4O2PUjKfhbEHKWqabXOMGy Ryd7nFCuizZcD+AvXbvLyjOJlhesVvRw5k+4Ov684Kl08iz7IsajPWBpalMIu0O7cV qqrTm+dmj5EhKdwkhsS87leUkX/pcbUxGR8lduq7mmxGb5ZMQR77fkEQWJbWz+MYg1 EEyC/mhR4PKxTzBnaUJ5XwopU2RmdATpMkzc8DVLFtWDHMfNhHF1Km8R8HaW4LejUv IVjy8qezKMvSA== 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 5.13 22/46] nvmet: pass back cntlid on successful completion Date: Sun, 5 Sep 2021 21:20:27 -0400 Message-Id: <20210906012052.929174-22-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210906012052.929174-1-sashal@kernel.org> References: <20210906012052.929174-1-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 7d0f3523fdab..8ef564c3b32c 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; } @@ -260,11 +261,11 @@ 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