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-rw-r--r--kernel/cgroup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index d57318950076..3fe02c152799 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -246,6 +246,9 @@ static int cgroup_addrm_files(struct cgroup_subsys_state *css,
*/
static bool cgroup_ssid_enabled(int ssid)
{
+ if (CGROUP_SUBSYS_COUNT == 0)
+ return false;
+
return static_key_enabled(cgroup_subsys_enabled_key[ssid]);
}