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env: Adjust the get_char() method to return an int

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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@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Simon Glass 2017-08-03 12:22:16 -06:00 • committed by Tom Rini
parent 723806cc5b
commit 21f639446d
4 changed files with 5 additions and 5 deletions
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2
env/dataflash.c vendored
View file

@ -14,7 +14,7 @@
DECLARE_GLOBAL_DATA_PTR;
static unsigned char env_dataflash_get_char(int index)
static int env_dataflash_get_char(int index)
{
uchar c;