1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 9a352667007c..61f5c717a8f5 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -54,7 +54,8 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
         unsigned int irq = (int)(long)data, full_count = count, err;
         cpumask_t new_value, tmp;
 
-        if (!irq_desc[irq].chip->set_affinity || no_irq_affinity)
+        if (!irq_desc[irq].chip->set_affinity || no_irq_affinity ||
+                                CHECK_IRQ_PER_CPU(irq_desc[irq].status))
                 return -EIO;
 
         err = cpumask_parse_user(buffer, count, new_value);