From patchwork Mon Mar 29 07:56:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 411480 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 DD58DC433E0 for ; Mon, 29 Mar 2021 08:19:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4C0861481 for ; Mon, 29 Mar 2021 08:19:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232453AbhC2IT2 (ORCPT ); Mon, 29 Mar 2021 04:19:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:35138 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233349AbhC2ISf (ORCPT ); Mon, 29 Mar 2021 04:18:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 035FB61481; Mon, 29 Mar 2021 08:18:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617005912; bh=UTjRhRZipRt5fVqetDoXAozWE+ENWkTdY+VzugbfmhU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F3nimKNuQbItOb151ISWIu8QMPKKk1LFk3Syu970qYZy1I+h24R3v4DNPmfYqNhfO W6Zy5AV384hX5cCTJP10+wdtCE1uoiJJ7wc+S/xBXdzfnEztfJqFP0JtvgxSlx9s6X kes4NVjrVQoi2MfGPXqX3xjlq0a/tbadbp1zhWz0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chaitanya Kulkarni , Christoph Hellwig , Sasha Levin Subject: [PATCH 5.10 049/221] nvme-core: check ctrl css before setting up zns Date: Mon, 29 Mar 2021 09:56:20 +0200 Message-Id: <20210329075630.816658126@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210329075629.172032742@linuxfoundation.org> References: <20210329075629.172032742@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Chaitanya Kulkarni [ Upstream commit 0ec84df4953bd42c6583a555773f1d4996a061eb ] Ensure multiple Command Sets are supported before starting to setup a ZNS namespace. Signed-off-by: Chaitanya Kulkarni [hch: move the check around a bit] Signed-off-by: Christoph Hellwig Signed-off-by: Sasha Levin --- drivers/nvme/host/core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 30e834d84f36..140f19cbe73a 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4019,6 +4019,12 @@ static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) nsid); break; } + if (!nvme_multi_css(ctrl)) { + dev_warn(ctrl->device, + "command set not reported for nsid: %d\n", + ns->head->ns_id); + break; + } nvme_alloc_ns(ctrl, nsid, &ids); break; default: