From b08218529deba4e3fc1b450120e9bacb48529423 Mon Sep 17 00:00:00 2001
From: Giacomo Tesio <giacomo@tesio.it>
Date: Sat, 6 May 2017 16:03:16 +0200
Subject: [PATCH] devproc: can't wait for up to stop

---
 sys/src/kern/port/devproc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/src/kern/port/devproc.c b/sys/src/kern/port/devproc.c
index d6b57dc..9003ff9 100644
--- a/sys/src/kern/port/devproc.c
+++ b/sys/src/kern/port/devproc.c
@@ -1325,6 +1325,8 @@ procstopwait(Proc *p, int ctl)
 		error(Eprocdied);
 	if(ctl != 0)
 		p->procctl = ctl;
+	if(p == up)
+		return;
 	p->pdbg = up;
 	qunlock(&p->debug);
 	up->psstate = "Stopwait";