Index: uspace/srv/vfs/vfs_ops.c
===================================================================
--- uspace/srv/vfs/vfs_ops.c	(revision 6afc9d780e775e54c1cfb5d3c57fb749979b18d2)
+++ uspace/srv/vfs/vfs_ops.c	(revision 6f2c1fff143dbbbc751f1f8ba1ddd09d90f7b48e)
@@ -637,4 +637,9 @@
 	else
 		fibril_rwlock_read_unlock(&namespace_rwlock);
+
+	if (!node) {
+		async_answer_0(rid, ENOMEM);
+		return;
+	}
 	
 	/* Truncate the file if requested and if necessary. */