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iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data

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of_find_node_by_name() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: d0a4c17b4073 ("iio: adc: aspeed: Get and set trimming data.")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220516075206.34580-1-linmq006@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Miaoqian Lin 2022-05-16 11:52:02 +04:00 committed by Jonathan Cameron
parent 99bded02da
commit 8a2b6b5687
1 changed files with 1 additions and 0 deletions
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drivers/iio/adc/aspeed_adc.c
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@ -186,6 +186,7 @@ static int aspeed_adc_set_trim_data(struct iio_dev *indio_dev)
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }
scu = syscon_node_to_regmap(syscon); scu = syscon_node_to_regmap(syscon);
of_node_put(syscon);
if (IS_ERR(scu)) { if (IS_ERR(scu)) {
dev_warn(data->dev, "Failed to get syscon regmap\n"); dev_warn(data->dev, "Failed to get syscon regmap\n");
return -EOPNOTSUPP; return -EOPNOTSUPP;