git: 9front

Download patch

ref: 2f708ce999bca042430d3786b4bc3990177d0081
parent: ab59247a52f108ab03ad55f700e14d845c1cb815
parent: 53fb1fc9822d9c65e7d4844acd35daa3a8c20010
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Sun Jul 15 21:36:35 EDT 2018

merge

--- a/sys/src/9/port/devmnt.c
+++ b/sys/src/9/port/devmnt.c
@@ -307,6 +307,9 @@
 	Mnt *m;
 	Mntrpc *r;
 
+	if(ac != nil && ac->mchan != c)
+		error(Ebadusefd);
+
 	m = c->mux;
 	if(m == nil){
 		mntversion(c, nil, 0, 0);
--