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2010-01-04 Robert Millan <rmh.grub@aybabtu.com>

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* disk/i386/pc/biosdisk.c (grub_biosdisk_rw): Use ALIGN_UP macro
	instead of manual alignment.
	* kern/disk.c (grub_disk_read): Remove grub_dprintf call (excessively
	verbose).  Avoid attempts to read past end of the device
	(grub_disk_adjust_range() guarantees that we can read `size' bytes,
	but GRUB_DISK_CACHE_SIZE may exceed that).
This commit is contained in:
Robert Millan 2010-01-04 23:30:27 +00:00
parent 4b856776a9
commit e33ace066e
3 changed files with 15 additions and 7 deletions
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4
disk/i386/pc/biosdisk.c
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@ -1,6 +1,6 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -222,7 +222,7 @@ grub_biosdisk_rw (int cmd, grub_disk_t disk,
if (cmd)
return grub_error (GRUB_ERR_WRITE_ERROR, "can\'t write to cdrom");
dap->blocks = (dap->blocks + 3) >> 2;
dap->blocks = ALIGN_UP (dap->blocks, 4) >> 2;
dap->block >>= 2;
for (i = 0; i < GRUB_BIOSDISK_CDROM_RETRY_COUNT; i++)