diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 0319f66..2067a7e 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -83,11 +83,11 @@
 };
 
 extern irqreturn_t no_action(int cpl, void *dev_id);
-extern int request_irq(unsigned int, irq_handler_t handler,
+extern int __must_check request_irq(unsigned int, irq_handler_t handler,
 		       unsigned long, const char *, void *);
 extern void free_irq(unsigned int, void *);
 
-extern int devm_request_irq(struct device *dev, unsigned int irq,
+extern int __must_check devm_request_irq(struct device *dev, unsigned int irq,
 			    irq_handler_t handler, unsigned long irqflags,
 			    const char *devname, void *dev_id);
 extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id);