1 files changed, 4 insertions, 1 deletions

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index df082508362d..4fe76ff214c2 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -831,8 +831,11 @@ static int iucv_reboot_event(struct notifier_block *this,
 {
         int i;
 
+        if (cpumask_empty(&iucv_irq_cpumask))
+                return NOTIFY_DONE;
+
         get_online_cpus();
-        on_each_cpu(iucv_block_cpu, NULL, 1);
+        on_each_cpu_mask(&iucv_irq_cpumask, iucv_block_cpu, NULL, 1);
         preempt_disable();
         for (i = 0; i < iucv_max_pathid; i++) {
                 if (iucv_path_table[i])