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-rw-r--r--kernel/softirq.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 336f92d64e2e..8f03e3b89b55 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -446,7 +446,7 @@ static void takeover_tasklets(unsigned int cpu)
}
#endif /* CONFIG_HOTPLUG_CPU */
-static int cpu_callback(struct notifier_block *nfb,
+static int __devinit cpu_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
@@ -470,6 +470,8 @@ static int cpu_callback(struct notifier_block *nfb,
break;
#ifdef CONFIG_HOTPLUG_CPU
case CPU_UP_CANCELED:
+ if (!per_cpu(ksoftirqd, hotcpu))
+ break;
/* Unbind so it can run. Fall thru. */
kthread_bind(per_cpu(ksoftirqd, hotcpu),
any_online_cpu(cpu_online_map));
@@ -484,7 +486,7 @@ static int cpu_callback(struct notifier_block *nfb,
return NOTIFY_OK;
}
-static struct notifier_block cpu_nfb = {
+static struct notifier_block __devinitdata cpu_nfb = {
.notifier_call = cpu_callback
};