Index: uspace/drv/audio/hdaudio/hdaudio.c
===================================================================
--- uspace/drv/audio/hdaudio/hdaudio.c	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
+++ uspace/drv/audio/hdaudio/hdaudio.c	(revision e9d15d9f0efb393d698245b131a15268dc1cd68f)
@@ -263,7 +263,8 @@
 	}
 
-	rc = register_interrupt_handler(dev, res.irqs.irqs[0],
+	int irq_cap = register_interrupt_handler(dev, res.irqs.irqs[0],
 	    hdaudio_interrupt, &irq_code);
-	if (rc != EOK) {
+	if (irq_cap < 0) {
+		rc = irq_cap;
 		ddf_msg(LVL_ERROR, "Failed registering interrupt handler. (%d)",
 		    rc);