Index: uspace/lib/c/generic/device/led_dev.c
===================================================================
--- uspace/lib/c/generic/device/led_dev.c	(revision 25a179efc4ecca45aa90793992b6c1c2743fd07f)
+++ uspace/lib/c/generic/device/led_dev.c	(revision 77ded6479f035365c8b7da6e4b64aa1470e1f159)
@@ -39,5 +39,5 @@
 #include <device/led_dev.h>
 
-int led_dev_color_set(async_sess_t *sess, pixel_t pixel)
+errno_t led_dev_color_set(async_sess_t *sess, pixel_t pixel)
 {
 	async_exch_t *exch = async_exchange_begin(sess);
@@ -48,8 +48,8 @@
 	async_exchange_end(exch);
 	
-	int rc;
+	errno_t rc;
 	async_wait_for(req, &rc);
 	
-	return (int) rc;
+	return (errno_t) rc;
 }