diff options
Diffstat (limited to 'kernel/softirq.c')
| -rw-r--r-- | kernel/softirq.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index 3789ca9..bf25015 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -612,7 +612,9 @@ static struct notifier_block __cpuinitdata cpu_nfb = { __init int spawn_ksoftirqd(void) { void *cpu = (void *)(long)smp_processor_id(); - cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu); + int err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu); + + BUG_ON(err == NOTIFY_BAD); cpu_callback(&cpu_nfb, CPU_ONLINE, cpu); register_cpu_notifier(&cpu_nfb); return 0; |