From 845d76b754460e4e471c70b28dcabeff4320b65c Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 18 Oct 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-10-18

---
 port/devns16552.c |  2 +-
 port/devsrv.c     | 27 +++++++++++++++++++++++++--
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/port/devns16552.c b/port/devns16552.c
index 826734d38aec6587643e4e40f82ed2f1067a434d..ee67050a107f64509940bf3133fb98cc87d214c0 100644
--- a/port/devns16552.c
+++ b/port/devns16552.c
@@ -942,6 +942,6 @@ ns16552wstat(Chan *c, char *dp)
 
 	dt = &ns16552dir[3 * NETID(c->qid.path)];
 	convM2D(dp, &d);
-	d.mode &= 0x666;
+	d.mode &= 0666;
 	dt[0].perm = dt[1].perm = d.mode;
 }
diff --git a/port/devsrv.c b/port/devsrv.c
index ce03ec2f18a9343afdf2f4e055f73ad2abd24562..a67551604731c5dfd9d53eec7fb90ef3782a0420 100644
--- a/port/devsrv.c
+++ b/port/devsrv.c
@@ -185,8 +185,31 @@ srvremove(Chan *c)
 void
 srvwstat(Chan *c, char *dp)
 {
-	USED(c, dp);
-	error(Egreg);
+	Dir d;
+	Srv *sp;
+
+	if(!iseve())
+		error(Eperm);
+	if(CHDIR & c->qid.path)
+		error(Eperm);
+
+	qlock(&srvlk);
+	if(waserror()){
+		qunlock(&srvlk);
+		nexterror();
+	}
+
+	for(sp = srv; sp; sp = sp->link)
+		if(sp->path == c->qid.path)
+			break;
+	if(sp == 0 || sp->chan == 0)
+		error(Eshutdown);
+	convM2D(dp, &d);
+	d.mode &= 0777;
+	sp->perm = d.mode;
+
+	qunlock(&srvlk);
+	poperror();
 }
 
 void