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-rw-r--r--kernel/irq/manage.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 644e8d5fa367..5f92acc5f952 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -324,6 +324,10 @@ void enable_irq(unsigned int irq)
324 if (!desc) 324 if (!desc)
325 return; 325 return;
326 326
327 if (WARN(!desc->irq_data.chip || !desc->irq_data.chip->irq_enable,
328 KERN_ERR "enable_irq before setup/request_irq: irq %u\n", irq))
329 return;
330
327 chip_bus_lock(desc); 331 chip_bus_lock(desc);
328 raw_spin_lock_irqsave(&desc->lock, flags); 332 raw_spin_lock_irqsave(&desc->lock, flags);
329 __enable_irq(desc, irq, false); 333 __enable_irq(desc, irq, false);