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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>
This commit is contained in:
Andrzej Hajda 2016-02-23 07:45:34 +01:00 committed by Linus Walleij
parent 2af66e1dec
commit d34607d11d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-xgene-sb.c
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@ -240,7 +240,7 @@ static const struct irq_domain_ops xgene_gpio_sb_domain_ops = {
static int xgene_gpio_sb_probe(struct platform_device *pdev)
{
struct xgene_gpio_sb *priv;
u32 ret;
int ret;
struct resource *res;
void __iomem *regs;
struct irq_domain *parent_domain = NULL;