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2009-06-17 Vladimir Serbinenko <phcoder@gmail.com>

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avoid double grub_adjust_range call. Bug reported by David Simner

	* kern/disk.c (grub_disk_write): change to raw disk access before
	calling disk_read
This commit is contained in:
phcoder 2009-06-17 13:15:33 +00:00
parent 1bd265f306
commit 74aa8e4bf8
2 changed files with 15 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2009-06-17 Vladimir Serbinenko <phcoder@gmail.com>
avoid double grub_adjust_range call. Bug reported by David Simner
* kern/disk.c (grub_disk_write): change to raw disk access before
calling disk_read
2009-06-17 Colin Watson <cjwatson@ubuntu.com>
* util/elf/grub-mkimage.c (usage): Prefix each option line with two

9
kern/disk.c
View file

@ -542,10 +542,17 @@ grub_disk_write (grub_disk_t disk, grub_disk_addr_t sector,
{
char tmp_buf[GRUB_DISK_SECTOR_SIZE];
grub_size_t len;
grub_partition_t part;
part = disk->partition;
disk->partition = 0;
if (grub_disk_read (disk, sector, 0, GRUB_DISK_SECTOR_SIZE, tmp_buf)
!= GRUB_ERR_NONE)
goto finish;
{
disk->partition = part;
goto finish;
}
disk->partition = part;
len = GRUB_DISK_SECTOR_SIZE - real_offset;
if (len > size)