From de64b9c37ab2afc490cfb649a023a5d06454f969 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Wed, 3 Nov 1993 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1993-11-03

---
 port/cache.c  | 3 ++-
 port/devmnt.c | 8 ++------
 port/qio.c    | 2 +-
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/port/cache.c b/port/cache.c
index 936dffa6ab25ceddf981af25bdef46de128fd3bc..307775b14341e4d842afd38bd064887d33bad732 100644
--- a/port/cache.c
+++ b/port/cache.c
@@ -80,6 +80,7 @@ cprint(Chan *c, Mntcache *m, char *s)
 	ptpath(c->path, buf, sizeof(buf));
 	nb = 0;
 	ct = 1;
+	o = 0;
 	if(m->list)
 		o = m->list->start;
 	for(e = m->list; e; e = e->next) {
@@ -92,7 +93,7 @@ cprint(Chan *c, Mntcache *m, char *s)
 	s, m->path, m->vers, m->type, m->dev, buf, nb, ct ? 'C' : 'N');
 
 	for(e = m->list; e; e = e->next) {
-		if(0) pprint("\t%4d %5d %4d %lux\n",
+		pprint("\t%4d %5d %4d %lux\n",
 			e->bid, e->start, e->len, e->cache);
 	}
 }
diff --git a/port/devmnt.c b/port/devmnt.c
index 71ebb4597cf39185d81103bd5506aed158a14fa7..15b2c22a5ac2542bd6080cd32e200f925a833a35 100644
--- a/port/devmnt.c
+++ b/port/devmnt.c
@@ -667,9 +667,8 @@ mountio(Mnt *m, Mntrpc *r)
 void
 mntrpcread(Mnt *m, Mntrpc *r)
 {
-	int n, zrd;
+	int n;
 
-	zrd = 0;
 	for(;;) {
 		if(waserror()) {
 			if(mntflush(m, r) == 0) {
@@ -683,11 +682,8 @@ mntrpcread(Mnt *m, Mntrpc *r)
 		r->reply.tag = 0;
 		n = (*devtab[m->c->type].read)(m->c, r->rpc, MAXRPC, 0);
 		poperror();
-		if(n == 0) {
-			if(++zrd > 3)
-				error(Ehungup);
+		if(n == 0)
 			continue;
-		}
 
 		if(convM2S(r->rpc, &r->reply, n) != 0)
 			return;
diff --git a/port/qio.c b/port/qio.c
index ffd92f3c08ff52c13a4738e1460e7d63908446d4..e0dbf549e8081ef23c58c7911a17f26f208474d0 100644
--- a/port/qio.c
+++ b/port/qio.c
@@ -365,7 +365,7 @@ qproduce(Queue *q, void *vp, int len)
 		b = iallocb(len);
 		if(b == 0){
 			unlock(q);
-			return -1;
+			return -2;
 		}
 		memmove(b->wp, p, len);
 		b->wp += len;