| Message ID | 20220516075206.34580-1-linmq006@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data | expand |
On Mon, 16 May 2022 11:52:02 +0400 Miaoqian Lin <linmq006@gmail.com> wrote: > 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> In the 'hopefully obviously correct' category so applied to the fixes togreg branch of iio.git and marked for stable. Thanks, Jonathan > --- > 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;
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;
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> --- drivers/iio/adc/aspeed_adc.c | 1 + 1 file changed, 1 insertion(+)