target/linux/brcm63xx/patches-2.6.25/110-bcm963xx_fix_cfe_detection.patch

   1 From f1a605c36cf1659f5f486ae4135de1e285fdf86c Mon Sep 17 00:00:00 2001
   2 From: Axel Gembe <ago@bastart.eu.org>
   3 Date: Sat, 17 May 2008 16:17:22 +0200
   4 Subject: [PATCH] bcm963xx: fix cfe detection
   5
   6 The CFE detection failed to account for zero termination.
   7
   8 Signed-off-by: Axel Gembe <ago@bastart.eu.org>
   9 ---
  10  drivers/mtd/maps/bcm963xx-flash.c |   11 ++++++-----
  11  1 files changed, 6 insertions(+), 5 deletions(-)
  12
  13 Index: linux-2.6.25.4/drivers/mtd/maps/bcm963xx-flash.c
  14 ===================================================================
  15 --- linux-2.6.25.4.orig/drivers/mtd/maps/bcm963xx-flash.c
  16 +++ linux-2.6.25.4/drivers/mtd/maps/bcm963xx-flash.c
  17 @@ -1,8 +1,7 @@
  18  /*
  19 - * $Id$
  20   * Copyright (C) 2006  Florian Fainelli <florian@openwrt.org>
  21 - *                     Mike Albon <malbon@openwrt.org>
  22 - * Copyright (C) $Date$  $Author$
  23 + *                     Mike Albon <malbon@openwrt.org>
  24 + * Copyright (C) 2008  Axel Gembe <ago@bastart.eu.org>
  25   *
  26   * This program is free software; you can redistribute it and/or modify
  27   * it under the terms of the GNU General Public License as published by
  28 @@ -184,11 +183,13 @@ static int bcm963xx_parts_size = sizeof(
  29  static int bcm963xx_detect_cfe(struct mtd_info *master)
  30  {
  31         int idoffset = 0x4e0;
  32 -       static char idstring[8] = "CFE1CFE1";
  33 -       char buf[8];
  34 +       static char idstring[9] = "CFE1CFE1";
  35 +       char buf[9];
  36         int ret;
  37         size_t retlen;
  38
  39 +       memset(buf, 0, sizeof(buf));
  40 +
  41         ret = master->read(master, idoffset, 8, &retlen, (void *)buf);
  42         printk("bcm963xx: Read Signature value of %s\n", buf);
  43         return strcmp(idstring,buf);