diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 573dc52b0806054bc485c1290d0ed58ccfbb5c87..d00132b5c325b389f6646de064527df64e2d873e 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1643,6 +1643,10 @@ const void *free_irq(unsigned int irq, void *dev_id) #endif action = __free_irq(irq, dev_id); + + if (!action) + return NULL; + devname = action->name; kfree(action); return devname;