1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/cpu.c b/kernel/cpu.c
index cf79bb91137..53cf508f975 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -250,8 +250,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen)
         set_cpus_allowed_ptr(current, &tmp);
 
         err = __stop_machine_run(take_cpu_down, &tcd_param, cpu);
-
-        if (err || cpu_online(cpu)) {
+        if (err) {
                 /* CPU didn't die: tell everyone.  Can't complain. */
                 if (raw_notifier_call_chain(&cpu_chain, CPU_DOWN_FAILED | mod,
                                             hcpu) == NOTIFY_BAD)
@@ -259,6 +258,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen)
 
                 goto out_allowed;
         }
+        BUG_ON(cpu_online(cpu));
 
         /* Wait for it to sleep (leaving idle task). */
         while (!idle_cpu(cpu))