Index: uspace/lib/c/generic/pio_trace.c
===================================================================
--- uspace/lib/c/generic/pio_trace.c	(revision 38d150e6238ab44c861f6486e46454e07caeb0f0)
+++ uspace/lib/c/generic/pio_trace.c	(revision 3b60ea0ab63232b82cbb39069c74d417545a98e6)
@@ -106,5 +106,5 @@
 }
 
-int pio_trace_enable(void *base, size_t size, trace_fnc log, void *data)
+errno_t pio_trace_enable(void *base, size_t size, trace_fnc log, void *data)
 {
 	pio_regions_t *regions = get_regions();