[PATCH] iio: adc: fix return error variable

[cgel.zte at gmail.com]

From: Lv Ruyi <lv.ruyi at zte.com.cn>

Return irq instead of ret which always equals to zero here.

Fixes: d5c70627a794 ("iio: adc: Add Xilinx AMS driver")
Reported-by: Zeal Robot <zealci at zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi at zte.com.cn>
---
 drivers/iio/adc/xilinx-ams.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
index a55396c1f8b2..a7687706012d 100644
--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -1409,7 +1409,7 @@ static int ams_probe(struct platform_device *pdev)
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
-		return ret;
+		return irq;
 
 	ret = devm_request_irq(&pdev->dev, irq, &ams_irq, 0, "ams-irq",
 			       indio_dev);
-- 
2.25.1