generic-adc-battery: Fix checking return value of request_any_context_irq

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

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

diff --git a/drivers/power/generic-adc-battery.c b/drivers/power/generic-adc-battery.c
index 9bdf4447039630f7d2f3f419279d485a33fd1d9d..4a00ef7a8795ae6da3ada89e32847f3456ef274a 100644 (file)
--- a/drivers/power/generic-adc-battery.c
+++ b/drivers/power/generic-adc-battery.c
@@ -327,7 +327,7 @@ static int __devinit gab_probe(struct platform_device *pdev)
                ret = request_any_context_irq(irq, gab_charged,
                                IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                                "battery charged", adc_bat);
-               if (ret)
+               if (ret < 0)
                        goto err_gpio;
        }