gpio: xgene: fix type of variable containing error codes
authorAndrzej Hajda <a.hajda@samsung.com>
Tue, 23 Feb 2016 06:45:34 +0000 (07:45 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Thu, 25 Feb 2016 10:00:03 +0000 (11:00 +0100)
commit67ebb742b9303a53d62e0cac2939e7e70846412c
tree4a7177767062397b9713c74c2c45745feabff3a7
parent68999a4f1ae17b1c8caf4511171333e7f03b948d
gpio: xgene: fix type of variable containing error codes

ret variable can contain error values and is compared with zero.
Its type must be signed.

The problem has been detected using coccinelle script
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-xgene-sb.c