diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c
index c9baaab574e3..cdf33ccfd1f9 100644
--- a/drivers/iio/frequency/admv1013.c
+++ b/drivers/iio/frequency/admv1013.c
@@ -601,11 +601,14 @@ static int admv1013_probe(struct spi_device *spi)
 				     "failed to get the LO input clock\n");
 
 	st->nb.notifier_call = admv1013_freq_change;
-	ret = devm_clk_notifier_register(dev, st->clkin, &st->nb);
+
+	ret = devm_mutex_init(dev, &st->lock);
 	if (ret)
 		return ret;
 
-	mutex_init(&st->lock);
+	ret = devm_clk_notifier_register(dev, st->clkin, &st->nb);
+	if (ret)
+		return ret;
 
 	ret = admv1013_init(st, vcm_uv);
 	if (ret)