From 6fbb9bf37a4bfb9a442243b95a36cbbcf8c79189 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 21 Mar 2002 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2002-03-21

---
 port/edf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/port/edf.c b/port/edf.c
index 2b04d971ea40b005c8470cb8a8ff57ee9dafea46..444897e71ec57594b8dc41635f1b3aab90f59e68 100644
--- a/port/edf.c
+++ b/port/edf.c
@@ -258,7 +258,8 @@ edfdeadline(Proc *p, SEvent why)
 	SET(nt);
 	if (p){
 		nt = p->task;
-		assert(nt);
+		if (nt == nil || nt->state != EdfRunning)
+			return;
 	}
 	t = edfpop();