Index: uspace/srv/net/udp/sock.c
===================================================================
--- uspace/srv/net/udp/sock.c	(revision 4163d0d30aa92687fa90fa88fe6cee5b98ea6a12)
+++ uspace/srv/net/udp/sock.c	(revision 0ee053c187ac93e46746280d6bd582d3ade38fa1)
@@ -359,13 +359,13 @@
 			rc = EOK;
 			break;
-/*		case TCP_ENOTEXIST:
-			rc = ENOTCONN;
-			break;
-		case TCP_ECLOSING:
-			rc = ENOTCONN;
-			break;
-		case TCP_ERESET:
-			rc = ECONNABORTED;
-			break;*/
+		case UDP_ENORES:
+			rc = ENOMEM;
+			break;
+		case UDP_EUNSPEC:
+			rc = EINVAL;
+			break;
+		case UDP_ENOROUTE:
+			rc = EIO;
+			break;
 		default:
 			assert(false);