imu: inv_mpu6050: use devm_iio_trigger_alloc

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c

@@ -116,7 +116,8 @@ int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev)
 	int ret;
 	struct inv_mpu6050_state *st = iio_priv(indio_dev);
 
-	st->trig = iio_trigger_alloc("%s-dev%d",
+	st->trig = devm_iio_trigger_alloc(&indio_dev->dev,
+					  "%s-dev%d",
 					  indio_dev->name,
 					  indio_dev->id);
 	if (st->trig == NULL) {
@@ -128,7 +129,7 @@ int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev)
 				"inv_mpu",
 				st->trig);
 	if (ret)
-		goto error_free_trig;
+		goto error_ret;
 	st->trig->dev.parent = &st->client->dev;
 	st->trig->ops = &inv_mpu_trigger_ops;
 	iio_trigger_set_drvdata(st->trig, indio_dev);
@@ -141,8 +142,6 @@ int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev)
 
 error_free_irq:
 	free_irq(st->client->irq, st->trig);
-error_free_trig:
-	iio_trigger_free(st->trig);
 error_ret:
 	return ret;
 }
@@ -151,5 +150,4 @@ void inv_mpu6050_remove_trigger(struct inv_mpu6050_state *st)
 {
 	iio_trigger_unregister(st->trig);
 	free_irq(st->client->irq, st->trig);
-	iio_trigger_free(st->trig);
 }