diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 35daf89..250def0 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2542,11 +2542,13 @@
 	int ssid, ret;
 
 	/*
-	 * Parse input - white space separated list of subsystem names
-	 * prefixed with either + or -.
+	 * Parse input - space separated list of subsystem names prefixed
+	 * with either + or -.
 	 */
 	p = buffer;
-	while ((tok = strsep(&p, " \t\n"))) {
+	while ((tok = strsep(&p, " "))) {
+		if (tok[0] == '\0')
+			continue;
 		for_each_subsys(ss, ssid) {
 			if (ss->disabled || strcmp(tok + 1, ss->name))
 				continue;