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=-19.2 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=unavailable 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 BCA47C41620 for ; Wed, 17 Mar 2021 01:01:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 917F664FC0 for ; Wed, 17 Mar 2021 01:01:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232817AbhCQBBI (ORCPT ); Tue, 16 Mar 2021 21:01:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:36102 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231838AbhCQA56 (ORCPT ); Tue, 16 Mar 2021 20:57:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6657464FAE; Wed, 17 Mar 2021 00:57:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615942672; bh=8LpXTNgfmmT0/ApRuQPyPnu99fhgrRhPP5y4X55vZ0I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nQdrzVPIXmroPRoCGeWzJkBROWD38uIQSStjxPOR0McqSOhXSltlCEnAP2gjI4QK9 3LVwKamOadNzQXQ2tNysulH3hwXCl21dVPHeTH+avfKuh45KPlef3aFGcE+Qw62uvS XsYvSNKPOMccBQFDskcOMZbqfvvHEE6EDUVcwmTir84zjSpg8rmD6ZE7gbCQmIUkGk Wn6jqOCnTk9OXg02RiaRZiuukeivwI6JBngUkbX5B7CXeUrTWV6vNmYYgdnIA1GYUJ OJF1Fp7o2PsE8Q0LXDkydaPJcpkgJKWaEl5Ks2+dWokF5kBLlHY/x8sDiY1stHVpoA zIABWcd7ckQlQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chaitanya Kulkarni , Christoph Hellwig , Sasha Levin , linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 5.10 47/54] nvme-core: check ctrl css before setting up zns Date: Tue, 16 Mar 2021 20:56:46 -0400 Message-Id: <20210317005654.724862-47-sashal@kernel.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210317005654.724862-1-sashal@kernel.org> References: <20210317005654.724862-1-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: linux-kernel@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 a684168fa4a3..66247f8776b7 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4031,6 +4031,12 @@ 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: -- 2.30.1