diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 62e73e0a929f92dbb5be6c5a638b3e6ed22c08ec..64c2e32885513ef21ef6a41f83e12e641c3353b6 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3808,7 +3808,7 @@ static void synchronize_sched_expedited_wait(struct rcu_state *rsp)
 				ndetected++;
 				rdp = per_cpu_ptr(rsp->rda, cpu);
 				pr_cont(" %d-%c%c%c", cpu,
-					"O."[cpu_online(cpu)],
+					"O."[!!cpu_online(cpu)],
 					"o."[!!(rdp->grpmask & rnp->expmaskinit)],
 					"N."[!!(rdp->grpmask & rnp->expmaskinitnext)]);
 			}