From patchwork Mon May 27 06:45:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhijian Li (Fujitsu)" X-Patchwork-Id: 13674641 Received: from esa8.hc1455-7.c3s2.iphmx.com (esa8.hc1455-7.c3s2.iphmx.com [139.138.61.253]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2EBB317BA9 for ; Mon, 27 May 2024 06:47:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=139.138.61.253 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716792426; cv=none; b=Y8Clu1BL3UKTykzkL7YLfngWu2lFneSfSUe4XeBS22wVwM//0JeGFKuj+L7tqHj2CzIlR5e2kB2AzcMEjV/NRJx3GNRaTkB+tHqASzZWSCG9JJe0/eAA32fagvnFJJfnJryWIbAZk875wzgEvQuYz2nmMhsfEJHI/2qOvnZvhIQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716792426; c=relaxed/simple; bh=bdUw/+pxGWn6VpzszcP5+rE2zaaTYowILkv+vtGKLbU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=N3pjlgBRudOxm64+efIPmnCVDVx5JcsaukcLL1vijofxZsiKfRlmq+V2mRejhChRY5PsCSiostqPW/VpRUl/RG237czV9Q9+NEb+UG5EG/K+EmAv5W7QnEcH5w+5m9FM9fDy/3sQXKYpZOlQw0b3WcXU5jaBI8NmYEtOiDdlfnM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fujitsu.com; spf=pass smtp.mailfrom=fujitsu.com; dkim=pass (2048-bit key) header.d=fujitsu.com header.i=@fujitsu.com header.b=P4j+syZm; arc=none smtp.client-ip=139.138.61.253 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fujitsu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fujitsu.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fujitsu.com header.i=@fujitsu.com header.b="P4j+syZm" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=fujitsu.com; i=@fujitsu.com; q=dns/txt; s=fj2; t=1716792424; x=1748328424; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=bdUw/+pxGWn6VpzszcP5+rE2zaaTYowILkv+vtGKLbU=; b=P4j+syZmEWFBsd2XlQOsvvMBKkF9hAlt7eVgUPEvlPSpIG4l0X10uMbH ZvjmIty9ZrXlS27IlDmkyY+6yhmVx/19gPWXb+RpEmHASV2YH+yxWkSnr L93nKu+U3Z8D3Oe7QEoLMychquZDu6kkEX6O/2bgieEQ+1Ij5HPA3wwE0 n4bFJW/afNbxPc/kDcQrTtO5i4hGf0d13LIAr4MiKt4r7HtBIP3QdGRJ1 GUPm0gqbfUeroFtkWb+scfPhOS9PT6KcjwfAq/eZ7Gkg215IlUcnEzVSg WpvHHHm+gFtoseWSZRJu3kwSLNZPMue6wiX4xuvHDLmz+m0GfESQZQ835 g==; X-IronPort-AV: E=McAfee;i="6600,9927,11084"; a="148392552" X-IronPort-AV: E=Sophos;i="6.08,191,1712588400"; d="scan'208";a="148392552" Received: from unknown (HELO oym-r2.gw.nic.fujitsu.com) ([210.162.30.90]) by esa8.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2024 15:45:52 +0900 Received: from oym-m4.gw.nic.fujitsu.com (oym-nat-oym-m4.gw.nic.fujitsu.com [192.168.87.61]) by oym-r2.gw.nic.fujitsu.com (Postfix) with ESMTP id 04232D424E for ; Mon, 27 May 2024 15:45:51 +0900 (JST) Received: from kws-ab3.gw.nic.fujitsu.com (kws-ab3.gw.nic.fujitsu.com [192.51.206.21]) by oym-m4.gw.nic.fujitsu.com (Postfix) with ESMTP id 39C7AD5319 for ; Mon, 27 May 2024 15:45:50 +0900 (JST) Received: from edo.cn.fujitsu.com (edo.cn.fujitsu.com [10.167.33.5]) by kws-ab3.gw.nic.fujitsu.com (Postfix) with ESMTP id BCA5F200877BB for ; Mon, 27 May 2024 15:45:49 +0900 (JST) Received: from localhost.localdomain (unknown [10.167.226.45]) by edo.cn.fujitsu.com (Postfix) with ESMTP id 2C8951A000A; Mon, 27 May 2024 14:45:49 +0800 (CST) From: Li Zhijian To: nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org Cc: Li Zhijian , Fan Ni Subject: [ndctl PATCH 1/2] daxctl: Fix create-device parameters parsing Date: Mon, 27 May 2024 14:45:38 +0800 Message-Id: <20240527064539.819487-1-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.31.1 Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSS-9.1.0.1417-9.0.0.1002-28412.005 X-TM-AS-User-Approved-Sender: Yes X-TMASE-Version: IMSS-9.1.0.1417-9.0.1002-28412.005 X-TMASE-Result: 10--6.845500-10.000000 X-TMASE-MatchedRID: Eprm7pA/VZ56aArAc+gIexFbgtHjUWLyjlRp8uau9oYrGdGOV/v5a338 DhskX88zh6y6sVpgqH1BCdSPDWIImy/7QU2czuUNnVTWWiNp+v9y4VFP6muDhlFexdJHJX6CxBr X76geXlQNSHV1uiGbXqGCpFd/1kOasEBAuoaUqK9KzjuZtPtIBH607foZgOWyNY1fmgSVSVWjxY yRBa/qJXcsDK2xBHh7jaPj0W1qn0Q7AFczfjr/7LJkK1neENRzxjphkvwGSk/LlI3DYJpWSvG59 X/ZQeFMAQs4Mp06gUs= X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 Previously, the extra parameters will be ignored quietly, which is a bit weird and confusing. [0] $ daxctl create-device region0 [ { "chardev":"dax0.1", "size":268435456, "target_node":1, "align":2097152, "mode":"devdax" } ] created 1 device where above user would want to specify '-r region0'. Check extra parameters starting from index 0 to ensure no extra parameters are specified for create-device. [0] https://github.com/moking/moking.github.io/wiki/cxl%E2%80%90test%E2%80%90tool:-A-tool-to-ease-CXL-test-with-QEMU-setup%E2%80%90%E2%80%90Using-DCD-test-as-an-example#convert-dcd-memory-to-system-ram Cc: Fan Ni Signed-off-by: Li Zhijian --- daxctl/device.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/daxctl/device.c b/daxctl/device.c index 839134301409..ffabd6cf5707 100644 --- a/daxctl/device.c +++ b/daxctl/device.c @@ -363,7 +363,8 @@ static const char *parse_device_options(int argc, const char **argv, NULL }; unsigned long long units = 1; - int i, rc = 0; + int rc = 0; + int i = action == ACTION_CREATE ? 0 : 1; char *device = NULL; argc = parse_options(argc, argv, options, u, 0); @@ -402,7 +403,7 @@ static const char *parse_device_options(int argc, const char **argv, action_string); rc = -EINVAL; } - for (i = 1; i < argc; i++) { + for (; i < argc; i++) { fprintf(stderr, "unknown extra parameter \"%s\"\n", argv[i]); rc = -EINVAL; }