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2005-03-18 Yoshinori K. Okuji <okuji@enbug.org>

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* fs/fat.c (grub_fat_mount): Ignore the 3rd bit of a media
  descriptor. This is ported from GRUB Legacy.

  * gencmdlist.sh: Added an extra semicolon to make it work with
  old sed versions. Reported by Robert Bihlmeyer
  <robbe@orcus.priv.at>.
This commit is contained in:
okuji 2005-03-18 18:16:26 +00:00
parent 5822ff87a2
commit 46b3b8a540
4 changed files with 18 additions and 3 deletions
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8
fs/fat.c
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@ -1,7 +1,7 @@
/* fat.c - FAT filesystem */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2000,2001,2002,2003,2004 Free Software Foundation, Inc.
* Copyright (C) 2000,2001,2002,2003,2004,2005 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -288,7 +288,11 @@ grub_fat_mount (grub_disk_t disk)
magic = 0x0f00;
}
if (first_fat != (magic | bpb.media))
/* Ignore the 3rd bit, because some BIOSes assigns 0xF0 to the media
descriptor, even if it is a so-called superfloppy (e.g. an USB key).
The check may be too strict for this kind of stupid BIOSes, as
they overwrite the media descriptor. */
if ((first_fat | 0x8) != (magic | bpb.media | 0x8))
goto fail;
/* Start from the root directory. */