[U-Boot] [PATCH v2 1/3] fs/fat: Fix FAT detection to support non-DOS partition tables
Wolfgang Denk
wd at denx.de
Thu Jan 5 17:14:23 CET 2012
Dear Kyle Moffett,
In message <1324487292-7299-2-git-send-email-Kyle.D.Moffett at boeing.com> you wrote:
> The FAT filesystem code currently ends up requiring that the partition
> table be a DOS MBR, as it checks for the DOS 0x55 0xAA signature on the
> partition table (which may be Mac, EFI, ISO9660, etc) before actually
> computing the partition offset.
>
> This fixes support for accessing a FAT filesystem in an ISO9660 boot
> volume (El-Torito format) by reordering the filesystem checks and
> reading the 0x55 0xAA "DOS boot signature" and FAT/FAT32 magic number
> from the first sector of the partition instead of from sector 0.
>
> Signed-off-by: Kyle Moffett <Kyle.D.Moffett at boeing.com>
>
> --
>
> v2:
> I have removed the unnecessary static initializers. All the variables
> are memset to 0 as part of the BSS, and cur_dev is only initialized
> after the rest of the variables have been set correctly.
>
> ---
> fs/fat/fat.c | 117 +++++++++++++++++++++++++++-------------------------------
> 1 files changed, 54 insertions(+), 63 deletions(-)
Applied, thanks.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"Plan to throw one away. You will anyway."
- Fred Brooks, "The Mythical Man Month"
More information about the U-Boot
mailing list