diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 3de6ea3ee7403af33371f924dfa46229cf702bc9..10b5092e9bfe749da57b2ab408e3f6d38ae81d75 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -76,6 +76,7 @@ void dynamic_irq_cleanup(unsigned int irq)
 	desc->chip_data = NULL;
 	desc->handle_irq = handle_bad_irq;
 	desc->chip = &no_irq_chip;
+	desc->name = NULL;
 	spin_unlock_irqrestore(&desc->lock, flags);
 }