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gpio: xgene: fix type of variable containing error codes

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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;