iio: adc: vf610: Propagate the real error when platform_get_irq() fails
There is no need to pass a 'fake' return value when platform_get_irq() fails.
Propagate the real error instead.
While at it, only consider negative numbers returned by platform_get_irq()
as error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index d47fff0..8ec353c 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -593,9 +593,9 @@
return PTR_ERR(info->regs);
irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
+ if (irq < 0) {
dev_err(&pdev->dev, "no irq resource?\n");
- return -EINVAL;
+ return irq;
}
ret = devm_request_irq(info->dev, irq,