From 6b7ceb36a47ce148f4dd2f4e63c717c8593f0cea Mon Sep 17 00:00:00 2001
From: Qualys Security Advisory <qsa@qualys.com>
Date: Thu, 1 Jan 1970 00:00:00 +0000
Subject: [PATCH] proc/devname.c: Never write more than "chop" characters.

This should be guaranteed by "tmp[chop] = '\0';" and "if(!c) break;" but
this patch adds a very easy belt-and-suspenders check.
---
 proc/devname.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/proc/devname.c b/proc/devname.c
index f673a417..08ed131d 100644
--- a/proc/devname.c
+++ b/proc/devname.c
@@ -351,7 +351,7 @@ abbrev:
   if(chop + (unsigned long)(tmp-buf) < sizeof buf)
     tmp[chop] = '\0';
   /* replace non-ASCII characters with '?' and return the number of chars */
-  for(;;){
+  while(i < chop){
     c = *tmp;
     tmp++;
     if(!c) break;