* [PATCH] iio: adc: Fix refcount leak bug in aspeed_adc
@ 2022-06-17 14:41 Liang He
0 siblings, 0 replies; only message in thread
From: Liang He @ 2022-06-17 14:41 UTC (permalink / raw)
To: jic23, lars, joel, andrew, p.zabel, lgirdwood, broonie,
billy_tsai, colin.king
Cc: windhl, linux-iio, linux-arm-kernel, linux-aspeed, linux-kernel
In aspeed_adc_set_trim_data(), of_find_node_by_name() will return
a node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
---
drivers/iio/adc/aspeed_adc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c
index 0793d2474cdc..9341e0e0eb55 100644
--- 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(struct iio_dev *indio_dev)
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;
--
2.25.1
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