Index: benchmark/io/http/protocol.cfa
===================================================================
--- benchmark/io/http/protocol.cfa	(revision 3f39009bb2c72295a552596d5e31d2d2d71bf9ea)
+++ benchmark/io/http/protocol.cfa	(revision 42b7fa5fec685d2bb93613303d750c2402016515)
@@ -491,5 +491,5 @@
 	#else
 		int ret = answer_header(fd, fsize);
-		if( ret < 0 ) return ret;
+		if( ret < 0 ) { close(fd); return ret; }
 		return sendfile(pipe, fd, ans_fd, fsize);
 	#endif