Index: uspace/lib/nic/src/nic_addr_db.c
===================================================================
--- uspace/lib/nic/src/nic_addr_db.c	(revision d5c1051faf4391647834d99babdd4a44ee5d9700)
+++ uspace/lib/nic/src/nic_addr_db.c	(revision e211ea04fccf33d4cb2092f630a29e893e096a02)
@@ -120,5 +120,5 @@
  * @return ENOMEM	If there was not enough memory to initialize the storage
  */
-int nic_addr_db_init(nic_addr_db_t *db, size_t addr_len)
+errno_t nic_addr_db_init(nic_addr_db_t *db, size_t addr_len)
 {
 	assert(db);
@@ -168,5 +168,5 @@
  * @return EEXIST	If this adress already is in the db
  */
-int nic_addr_db_insert(nic_addr_db_t *db, const uint8_t *addr)
+errno_t nic_addr_db_insert(nic_addr_db_t *db, const uint8_t *addr)
 {
 	assert(db && addr);
@@ -200,5 +200,5 @@
  * @return ENOENT	If there is no address
  */
-int nic_addr_db_remove(nic_addr_db_t *db, const uint8_t *addr)
+errno_t nic_addr_db_remove(nic_addr_db_t *db, const uint8_t *addr)
 {
 	assert(db && addr);