diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/chip.c | 7 |
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); |