[PATCH 5.10 072/593] iio: frequency: adf4350: disable reg and clk on error in adf4350_probe()

[Greg Kroah-Hartman]

From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

commit c8cc4cf60b000fb9f4b29bed131fb6cf1fe42d67 upstream.

Disable reg and clk when devm_gpiod_get_optional() fails in adf4350_probe().

Fixes:4a89d2f47ccd ("iio: adf4350: Convert to use GPIO descriptor")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210601142605.3613605-1-yangyingliang@xxxxxxxxxx
Cc: <Stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/iio/frequency/adf4350.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/iio/frequency/adf4350.c
+++ b/drivers/iio/frequency/adf4350.c
@@ -563,8 +563,10 @@ static int adf4350_probe(struct spi_devi
 
 	st->lock_detect_gpiod = devm_gpiod_get_optional(&spi->dev, NULL,
 							GPIOD_IN);
-	if (IS_ERR(st->lock_detect_gpiod))
-		return PTR_ERR(st->lock_detect_gpiod);
+	if (IS_ERR(st->lock_detect_gpiod)) {
+		ret = PTR_ERR(st->lock_detect_gpiod);
+		goto error_disable_reg;
+	}
 
 	if (pdata->power_up_frequency) {
 		ret = adf4350_set_freq(st, pdata->power_up_frequency);