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authorVikas Shivappa <[email protected]>2017-04-19 16:50:03 -0700
committerThomas Gleixner <[email protected]>2017-04-20 15:57:59 +0200
commit634b0e0491d6f6e882b922eb41c278d01a743bab (patch)
tree312ddb0fda51eef77f01ac3e66cf53ec953a93a6
parentadcbdd70309dba5a12a9d8158deb6a62a6d5fc98 (diff)
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 <[email protected]> Signed-off-by: Vikas Shivappa <[email protected]> Tested-by: Prakhya, Sai Praneeth <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
-rw-r--r--arch/x86/kernel/cpu/intel_rdt_schemata.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt_schemata.c b/arch/x86/kernel/cpu/intel_rdt_schemata.c
index 9467a00c947b..e64b2cf1c428 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;