tree a3797aed6aa85dfcf743d8e10ef30ae701e499d5
parent bc3c89b1308281edceb67051a44026545dc7b505
author Peng Fan <Peng.Fan@freescale.com> 1448355261 +0800
committer Tom Rini <trini@konsulko.com> 1449357734 -0500

common: cli_hush: avoid dead code

Condition "(value == NULL && ++value == NULL)" actully will
always return false.

Instead, use condition "(value == NULL || *(value + 1) == 0)" to detect
such expression "c=". To "c=", *(value + 1) is 0, so directly return -1,
but not continue.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Rabin Vincent <rabin@rab.in>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>