From patchwork Fri May 31 06:29:58 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: 13681174 Received: from esa12.hc1455-7.c3s2.iphmx.com (esa12.hc1455-7.c3s2.iphmx.com [139.138.37.100]) (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 CEA234CDF9 for ; Fri, 31 May 2024 06:31:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=139.138.37.100 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717137084; cv=none; b=WdU246sNKFJLdhNVXXsNfp4MYVvL+hDamGJg2CMXsOXOBodhqUzm6QHDxWGPCNWPumSrDegUXBxgHvMOdH/hN4JnUR1pJ4kmjIpcXN4p+V29Z86bcQHdTKANuXsbZvxS/GZ1VkJjfdsy7N8fzz9fsAP/F88GFCdeOo5efzw6kLI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717137084; c=relaxed/simple; bh=iLJEIxVeTZ+1G/KbkNITGWV5+C/+pptGIjjsrmHWuB0=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=RlTiKG8ccdTYYVOiRIbehqyitif3K9ATzgtBPvGxW2TIvQDFrPj2T8j+ReSbERRqKS10TRnTRvs3rFr/U94D6ZywsfN5jK4mzQKuKldsQtb0536pa0uhLR6MWBI1UAixWLQF0bHTWRiTOoHbtV4Qel/pTsSGJmH7cX0od7YsnKI= 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=ggJN8qu/; arc=none smtp.client-ip=139.138.37.100 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="ggJN8qu/" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=fujitsu.com; i=@fujitsu.com; q=dns/txt; s=fj2; t=1717137081; x=1748673081; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=iLJEIxVeTZ+1G/KbkNITGWV5+C/+pptGIjjsrmHWuB0=; b=ggJN8qu/16MSnK0C7FgF9scBBKPZZb/46FkJdAjvmPDwYUUDT+B32rt3 4MkJG21nQOFuYu+CLDtXZtvaPLJwCr4PGBCOkiBbkT22e+l4SZv7SCXlg ycl4Cp3U5Opi3YtV/abbWWyWdvgc7IoP8MBXBB4sWoxQQW71qqp+1k+XD P52EZ/665iG47U4GMpgufwJJjE5rzxvET9O4PQMO9uyJuEuEFxy0AnMjR byH+s8XYV9jL5jnAhC0qQPE1x3wITiP7SMjdI0VK7l4zQhD6S1yWqSaPP Uay+20GH+gL20ZnJppYbvsR66M8gcShAwzD1V0kSzBB8Z23Y78tYHa7ON g==; X-IronPort-AV: E=McAfee;i="6600,9927,11088"; a="140038497" X-IronPort-AV: E=Sophos;i="6.08,203,1712588400"; d="scan'208";a="140038497" Received: from unknown (HELO yto-r3.gw.nic.fujitsu.com) ([218.44.52.219]) by esa12.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2024 15:30:10 +0900 Received: from yto-m3.gw.nic.fujitsu.com (yto-nat-yto-m3.gw.nic.fujitsu.com [192.168.83.66]) by yto-r3.gw.nic.fujitsu.com (Postfix) with ESMTP id 6769BC2AA3 for ; Fri, 31 May 2024 15:30:08 +0900 (JST) Received: from kws-ab3.gw.nic.fujitsu.com (kws-ab3.gw.nic.fujitsu.com [192.51.206.21]) by yto-m3.gw.nic.fujitsu.com (Postfix) with ESMTP id AAA241451E for ; Fri, 31 May 2024 15:30:07 +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 3B3BB20094AE4 for ; Fri, 31 May 2024 15:30:07 +0900 (JST) Received: from localhost.localdomain (unknown [10.167.226.45]) by edo.cn.fujitsu.com (Postfix) with ESMTP id 67DFB1A000A; Fri, 31 May 2024 14:30:06 +0800 (CST) From: Li Zhijian To: nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org Cc: Li Zhijian , Fan Ni Subject: [ndctl PATCH v2 1/2] daxctl: Fix create-device parameters parsing Date: Fri, 31 May 2024 14:29:58 +0800 Message-Id: <20240531062959.881772-1-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.31.1 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSS-9.1.0.1417-9.0.0.1002-28420.005 X-TM-AS-User-Approved-Sender: Yes X-TMASE-Version: IMSS-9.1.0.1417-9.0.1002-28420.005 X-TMASE-Result: 10--6.622300-10.000000 X-TMASE-MatchedRID: 2FW4hmrwT1x6aArAc+gIexFbgtHjUWLyjlRp8uau9oYrGdGOV/v5a338 DhskX88zh6y6sVpgqH1BCdSPDWIImy/7QU2czuUNEhGH3CRdKUX5UnqVnIHSz3Kidlm+PMQk2c5 16rvzqru1cNZAaGmKfhsK4Gmn0aQ5NtwF1IC9LrV2o0eWLPgBZ3EJxqEF0kDO31GU/N5W5BDmn1 MY2amWUWsRPSp/FWsq7Gwv1cOg4ZMfE8yM4pjsDwtuKBGekqUpI/NGWt0UYPAWEy2WCnvw5FISD qSv2ueapXz6cJSyyW3qGTW8xB7wNWEoVHihj+TK 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. $ 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. Cc: Fan Ni Signed-off-by: Li Zhijian Reviewed-by: Vishal Verma Reviewed-by: Dave Jiang --- V2: Remove the external link[0] in case it get disappeared in the future. [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 --- 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; }