diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index d47fff003b78dbdb90d39c800949b34b7a42c3f2..8ec353c01d98e02e7074df9d4d295ec19f772f09 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -593,9 +593,9 @@ static int vf610_adc_probe(struct platform_device *pdev)
 		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,