Commit-ID: 634b0e0491d6f6e882b922eb41c278d01a743bab Gitweb: http://git.kernel.org/tip/634b0e0491d6f6e882b922eb41c278d01a743bab Author: Vikas Shivappa <vikas.shiva...@linux.intel.com> AuthorDate: Wed, 19 Apr 2017 16:50:03 -0700 Committer: Thomas Gleixner <t...@linutronix.de> 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 <sai.praneeth.prak...@intel.com> Signed-off-by: Vikas Shivappa <vikas.shiva...@linux.intel.com> Tested-by: Prakhya, Sai Praneeth <sai.praneeth.prak...@intel.com> Cc: fenghua...@intel.com Cc: tony.l...@intel.com Cc: ravi.v.shan...@intel.com Cc: vikas.shiva...@intel.com Link: http://lkml.kernel.org/r/1492645804-17465-3-git-send-email-vikas.shiva...@linux.intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- 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;
