Index: uspace/lib/nic/src/nic_wol_virtues.c
===================================================================
--- uspace/lib/nic/src/nic_wol_virtues.c	(revision acdb5bacffa0840fa18ced3443b7bcb244837b8d)
+++ uspace/lib/nic/src/nic_wol_virtues.c	(revision e211ea04fccf33d4cb2092f630a29e893e096a02)
@@ -71,5 +71,5 @@
  * @return ENOMEM	On not enough memory
  */
-int nic_wol_virtues_init(nic_wol_virtues_t *wvs)
+errno_t nic_wol_virtues_init(nic_wol_virtues_t *wvs)
 {
 	memset(wvs, 0, sizeof(nic_wol_virtues_t));
@@ -124,5 +124,5 @@
  * @return ENOTSUP	This type is unknown
  */
-int nic_wol_virtues_verify(nic_wv_type_t type, const void *data, size_t length)
+errno_t nic_wol_virtues_verify(nic_wv_type_t type, const void *data, size_t length)
 {
 	switch (type) {
@@ -160,5 +160,5 @@
  * @return ENOMEM	Not enough memory to activate the virtue
  */
-int nic_wol_virtues_add(nic_wol_virtues_t *wvs, nic_wol_virtue_t *virtue)
+errno_t nic_wol_virtues_add(nic_wol_virtues_t *wvs, nic_wol_virtue_t *virtue)
 {
 	if (!nic_wv_is_multi(virtue->type) &&
@@ -247,5 +247,5 @@
  * @return EINVAL	If the filter type is invalid
  */
-int nic_wol_virtues_list(const nic_wol_virtues_t *wvs, nic_wv_type_t type,
+errno_t nic_wol_virtues_list(const nic_wol_virtues_t *wvs, nic_wv_type_t type,
 	size_t max_count, nic_wv_id_t *id_list, size_t *id_count)
 {