Index: uspace/srv/devman/client_conn.c
===================================================================
--- uspace/srv/devman/client_conn.c	(revision e540424a7c9a950b6376a4c5b7b7ec9a4478c91a)
+++ uspace/srv/devman/client_conn.c	(revision 5b1813795d41cbb726ef1c77c6a223085a955fd0)
@@ -632,4 +632,5 @@
 	if (link == NULL) {
 		fibril_mutex_unlock(&drv->driver_mutex);
+		free(buffer);
 		async_answer_0(data_callid, ENOMEM);
 		async_answer_0(iid, ENOMEM);