[U-Boot] [U-Boot, v3, 5/7] tools/genboardscfg.py: fix minor problems on termination

[Tom Rini]

On Mon, Aug 25, 2014 at 12:39:46PM +0900, Masahiro Yamada wrote:

> This tool deletes the incomplete boards.cfg
> if it encounters an error or is is terminated by the user.
> 
> I notice some problems even though they rarely happen.
> 
> [1] The boards.cfg is removed if the program is terminated
> during __gen_boards_cfg() function but before boards.cfg
> is actually touched.  In this case, the previous boards.cfg
> should be kept as it is.
> 
> [2] If an error occurs while deleting the incomplete boards.cfg,
> the program throws another exception.  This hides the privious
> exception and we will not be able to know the real cause.
> 
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
> Acked-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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