From ee86d3cb52aa63b8db74ec0577f355f091b2e227 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Thu, 30 Jul 2015 21:00:13 +0200
Subject: devmnt: fix mntcache()

make sure mntcache() wont cache data beyond what was read from
the block list.
---
 sys/src/9/port/devmnt.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sys/src/9/port/devmnt.c b/sys/src/9/port/devmnt.c
index 65bdf5453..a258dc808 100644
--- a/sys/src/9/port/devmnt.c
+++ b/sys/src/9/port/devmnt.c
@@ -669,8 +669,7 @@ mntcache(Mntrpc *r)
 		m = r->reply.count;
 		if(m > r->request.count)
 			m = r->request.count;
-
-		for(b = r->b; m > 0 && b != nil; b = b->next) {
+		for(b = r->b; m > 0 && b != nil; m -= n, b = b->next) {
 			n = BLEN(b);
 			if(m < n)
 				n = m;
-- 
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