From 2fbee76ff768c94df12636108226ed0ce8ef5f59 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Fri, 25 Jan 1991 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1991-01-25

---
 port/devpipe.c | 1 +
 port/pgrp.c    | 7 +++----
 power/main.c   | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/port/devpipe.c b/port/devpipe.c
index c827fcf165afc04c77c90c4e3c76c88b9e163c89..82bdeb6bb45cc2b11a9dd81d085e1304f8e02edc 100644
--- a/port/devpipe.c
+++ b/port/devpipe.c
@@ -78,6 +78,7 @@ pipeattach(char *spec)
 	lock(&pipealloc);
 	if(pipealloc.free == 0){
 		unlock(&pipealloc);
+		close(c);
 		error(Enopipe);
 	}
 	p = pipealloc.free;
diff --git a/port/pgrp.c b/port/pgrp.c
index 3f397c08f29a2728ca1b44d6620a9df38d4f1626..6035ecf599d53b2d2e2bd07a18865e37dcfe832c 100644
--- a/port/pgrp.c
+++ b/port/pgrp.c
@@ -72,11 +72,10 @@ pgrpnote(Pgrp *pg, char *a, long n, int flag)
 				unlock(&p->debug);
 				continue;
 			}
-			if(waserror()){
-				unlock(&p->debug);
-				continue;
+			if(!waserror()){
+				postnote(p, 0, buf, flag);
+				poperror();
 			}
-			postnote(p, 0, buf, flag);
 			unlock(&p->debug);
 		}
 	}
diff --git a/power/main.c b/power/main.c
index a759a867fa72ea3abdc510472b782c79a5debacb..2b0e4f828f30fe1ee7bac208775b4da973b108b0 100644
--- a/power/main.c
+++ b/power/main.c
@@ -629,10 +629,10 @@ confinit(void)
 	conf.nurp = 25;
 	conf.nqueue = 5 * conf.nstream;
 	conf.nblock = 10 * conf.nstream;
-	conf.npipe = conf.nstream/2;
 
 	confread();
 
+	conf.npipe = conf.nstream/2;	/* must be after confread */
 	if(conf.nmach > MAXMACH)
 		panic("confinit");
 	conf.copymode = 1;		/* copy on reference */