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 14:20:45 +0000 (15:20 +0100)
commitd34607d11d7c72a201715e720048ca5eee613706
treef542bb5e5d875eb4ab39dfffd58937f253b35eb4
parent2af66e1dece9fb92a7ef7a270f58a72b82491363
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