X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsoftirq.c;h=bf25015dce162a541059c051567c3569069985b9;hb=940cc2df935d00e704c7b8366bdaedda379abf85;hp=3789ca98197c2a793b25dc6ac403e26202312133;hpb=0a7d5f8ce960e74fa22986bda4af488539796e49;p=linux-2.6

diff --git a/kernel/softirq.c b/kernel/softirq.c
index 3789ca9819..bf25015dce 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;