1 files changed, 5 insertions, 3 deletions

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 35daf892b6e6..250def0694b4 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2542,11 +2542,13 @@ static int cgroup_subtree_control_write(struct cgroup_subsys_state *dummy_css,
         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;