[ARM] 3690/1: genirq: Introduce and make use of dummy irq chip

[karo-tx-linux.git] / kernel / softirq.c

diff --git a/kernel/softirq.c b/kernel/softirq.c
index ec8fed42a86f5db1001701c2da36c3287cbcaa36..8f03e3b89b5540a0e21b1bab99dcb455bb74ffd5 100644 (file)
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -470,6 +470,8 @@ static int __devinit 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));