From b631e9256705110db28a17d2e95ccf39afa62ea5 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 2 Mar 1991 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1991-03-02

---
 port/devpipe.c    | 2 ++
 power/devhotrod.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/port/devpipe.c b/port/devpipe.c
index 82bdeb6bb45cc2b11a9dd81d085e1304f8e02edc..956628caffa699a2d66c9836f584206b329732d6 100644
--- a/port/devpipe.c
+++ b/port/devpipe.c
@@ -307,6 +307,8 @@ pipestclose(Queue *q)
 	 *  send a hangup
 	 */
 	q = q->other;
+	if(q->next == 0)
+		return;
 	bp = allocb(0);
 	bp->type = M_HANGUP;
 	PUTNEXT(q, bp);
diff --git a/power/devhotrod.c b/power/devhotrod.c
index a540b353e621b5b175f702b21b256072b04f6797..03679967c0b9663be202dee857365b254a677e59 100644
--- a/power/devhotrod.c
+++ b/power/devhotrod.c
@@ -182,6 +182,7 @@ hotrodopen(Chan *c, int omode)
 		delay(100);
 		print("reset\n");
 
+#ifdef asdf
 		/*
 		 * Issue test
 		 */
@@ -192,6 +193,7 @@ hotrodopen(Chan *c, int omode)
 		hotsend(hp, &((User*)(u->p->upage->pa|KZERO))->khot);
 		delay(100);
 		print("tested\n");
+#endif
 	}
 	c->mode = openmode(omode);
 	c->flag |= COPEN;