1 files changed, 7 insertions, 0 deletions

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 0dc24386dd9..4cf65f5c6a7 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -67,6 +67,13 @@ void dynamic_irq_cleanup(unsigned int irq)
 
         desc = irq_desc + irq;
         spin_lock_irqsave(&desc->lock, flags);
+        if (desc->action) {
+                spin_unlock_irqrestore(&desc->lock, flags);
+                printk(KERN_ERR "Destroying IRQ%d without calling free_irq\n",
+                        irq);
+                WARN_ON(1);
+                return;
+        }
         desc->handle_irq = handle_bad_irq;
         desc->chip = &no_irq_chip;
         spin_unlock_irqrestore(&desc->lock, flags);