X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=kernel%2Fsoftlockup.c;h=50afeb813305d76435e8c6852a80b5b9dc5c8cd9;hb=refs%2Fheads%2Fvserver;hp=03e6a2b0b787a97f426887f6ecdf709951acaced;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git

diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index 03e6a2b0b..50afeb813 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);