| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.18 143/181] iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data | Date | Mon, 27 Jun 2022 13:21:56 +0200 |
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From: Miaoqian Lin <linmq006@gmail.com>
commit 8a2b6b5687984a010ed094b4f436a2f091987758 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/iio/adc/aspeed_adc.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -186,6 +186,7 @@ static int aspeed_adc_set_trim_data(stru return -EOPNOTSUPP; } scu = syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(scu)) { dev_warn(data->dev, "Failed to get syscon regmap\n"); return -EOPNOTSUPP;
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