X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsoftlockup.c;h=50afeb813305d76435e8c6852a80b5b9dc5c8cd9;hb=8757b7764f13e336f3c0eb1f634440d4ee4c3a67;hp=03e6a2b0b787a97f426887f6ecdf709951acaced;hpb=53c7d2b7706526bf262ac10eb52d602d1520458a;p=linux-2.6

diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index 03e6a2b0b7..50afeb8133 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -149,8 +149,9 @@ static struct notifier_block __cpuinitdata cpu_nfb = {
 __init void spawn_softlockup_task(void)
 {
 	void *cpu = (void *)(long)smp_processor_id();
+	int err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu);
 
-	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);