[U-Boot] [PATCH v2 33/34] env: Adjust the get_char() method to return an int

[Tom Rini]

On Sun, Jul 23, 2017 at 09:20:08PM -0600, Simon Glass wrote:

> In principle this can fail, e.g. if the index is out of range. Adjust the
> driver signature to allow returning an error code.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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