diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 27adb04df675..fef93032fe7e 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -1716,6 +1716,7 @@ static int update_parent_effective_cpumask(struct cpuset *cs, int cmd,
 		xcpus = tmp->delmask;
 		if (compute_effective_exclusive_cpumask(cs, xcpus, NULL))
 			WARN_ON_ONCE(!cpumask_empty(cs->exclusive_cpus));
+		new_prs = (cmd == partcmd_enable) ? PRS_ROOT : PRS_ISOLATED;
 
 		/*
 		 * Enabling partition root is not allowed if its
@@ -1748,7 +1749,6 @@ static int update_parent_effective_cpumask(struct cpuset *cs, int cmd,
 
 		deleting = true;
 		subparts_delta++;
-		new_prs = (cmd == partcmd_enable) ? PRS_ROOT : PRS_ISOLATED;
 	} else if (cmd == partcmd_disable) {
 		/*
 		 * May need to add cpus back to parent's effective_cpus