iio: at91: fix error return code in at91_adc_probe()

Fix to return -ENODEV instead of 0 if non-TSMR adc don't
support, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 17df74908db120a6e33e3f43a51fc4e67784da59..5b1aa027c034b09c1569047231716ea66f75f919 100644 (file)
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -1047,6 +1047,7 @@ static int at91_adc_probe(struct platform_device *pdev)
        } else {
                if (!st->caps->has_tsmr) {
                        dev_err(&pdev->dev, "We don't support non-TSMR adc\n");
+                       ret = -ENODEV;
                        goto error_disable_adc_clk;
                }