[U-Boot] [PATCH] cmd_jffs2: Fix get_part_sector_size_nor() overflow bug

[Wolfgang Denk]

Dear Peter Tyser,

In message <1293745676-1557-1-git-send-email-ptyser at xes-inc.com> you wrote:
> When a flash partition was positioned at the very top of a 32-bit memory
> map (eg located at 0xf8000000 with a size of 0x8000000)
> get_part_sector_size_nor() would incorrectly calculate the partition's
> ending address to 0x0 due to overflow.  When the overflow occurred
> get_part_sector_size_nor() would falsely return a sector size of 0.
> A sector size of 0 results in subsequent jffs2 operations failing.
> 
> To workaround the overflow subtract 1 from calculated address of
> the partition endpoint.
> 
> Signed-off-by: Peter Tyser <ptyser at xes-inc.com>
> ---
>  common/cmd_jffs2.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)

Applied.

Best regards,

Wolfgang Denk

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