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-rw-r--r--kernel/irq/chip.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 0dc24386dd99..4cf65f5c6a74 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);