> diff --git a/kernel/cgroup.c b/kernel/cgroup.c
> index 35daf89..b81e7c0 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')
if (tok[0] == '\0')
> + continue;
--
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