From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S946240AbdDTOFk (ORCPT ); Thu, 20 Apr 2017 10:05:40 -0400 Received: from terminus.zytor.com ([65.50.211.136]:35951 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S944018AbdDTOFh (ORCPT ); Thu, 20 Apr 2017 10:05:37 -0400 Date: Thu, 20 Apr 2017 07:04:27 -0700 From: tip-bot for Vikas Shivappa Message-ID: Cc: vikas.shivappa@linux.intel.com, linux-kernel@vger.kernel.org, sai.praneeth.prakhya@intel.com, mingo@kernel.org, tglx@linutronix.de, hpa@zytor.com Reply-To: sai.praneeth.prakhya@intel.com, mingo@kernel.org, vikas.shivappa@linux.intel.com, linux-kernel@vger.kernel.org, hpa@zytor.com, tglx@linutronix.de In-Reply-To: <1492645804-17465-3-git-send-email-vikas.shivappa@linux.intel.com> References: <1492645804-17465-3-git-send-email-vikas.shivappa@linux.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/cpu] x86/intel_rdt: Trim whitespace while parsing schemata input Git-Commit-ID: 634b0e0491d6f6e882b922eb41c278d01a743bab X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 634b0e0491d6f6e882b922eb41c278d01a743bab Gitweb: http://git.kernel.org/tip/634b0e0491d6f6e882b922eb41c278d01a743bab Author: Vikas Shivappa AuthorDate: Wed, 19 Apr 2017 16:50:03 -0700 Committer: Thomas Gleixner CommitDate: Thu, 20 Apr 2017 15:57:59 +0200 x86/intel_rdt: Trim whitespace while parsing schemata input Schemata is displayed in tabular format which introduces some whitespace to show data in a tabular format. Writing back the same data fails as the parser does not handle the whitespace. Trim the leading and trailing whitespace before parsing. Reported-by: Prakhya, Sai Praneeth Signed-off-by: Vikas Shivappa Tested-by: Prakhya, Sai Praneeth Cc: fenghua.yu@intel.com Cc: tony.luck@intel.com Cc: ravi.v.shankar@intel.com Cc: vikas.shivappa@intel.com Link: http://lkml.kernel.org/r/1492645804-17465-3-git-send-email-vikas.shivappa@linux.intel.com Signed-off-by: Thomas Gleixner --- arch/x86/kernel/cpu/intel_rdt_schemata.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/intel_rdt_schemata.c b/arch/x86/kernel/cpu/intel_rdt_schemata.c index 9467a00..e64b2cf 100644 --- a/arch/x86/kernel/cpu/intel_rdt_schemata.c +++ b/arch/x86/kernel/cpu/intel_rdt_schemata.c @@ -141,6 +141,7 @@ next: id = strsep(&dom, "="); if (!dom || kstrtoul(id, 10, &dom_id)) return -EINVAL; + dom = strim(dom); list_for_each_entry(d, &r->domains, list) { if (d->id == dom_id) { if (r->parse_ctrlval(dom, r, d)) @@ -214,7 +215,7 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, dom->have_new_ctrl = false; while ((tok = strsep(&buf, "\n")) != NULL) { - resname = strsep(&tok, ":"); + resname = strim(strsep(&tok, ":")); if (!tok) { ret = -EINVAL; goto out;