gpio-charger: Fix checking return value of request_any_context_irq

request_any_context_irq() returns a negative value on failure.
On success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 718f2c537827..a64b8854cfd5 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -127,7 +127,7 @@ static int __devinit gpio_charger_probe(struct platform_device *pdev)
                 ret = request_any_context_irq(irq, gpio_charger_irq,
                                 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                                 dev_name(&pdev->dev), charger);
-                if (ret)
+                if (ret < 0)
                         dev_warn(&pdev->dev, "Failed to request irq: %d\n", ret);
                 else
                         gpio_charger->irq = irq;