Dan Carpenter 0d0d4d21a0 staging: fbtft: array underflow in fbtft_request_gpios_match()
"val" can be negative, so we'd write before the start of the
par->gpio.db[] array.

Fixes: c296d5f9957c ("staging: fbtft: core support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-28 17:08:16 -07:00
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