Add missing of_node_put calls for the error paths of the
for_each_available_child_of_node loop in ltc2983_parse_dt.
Thought about adding an "goto err_of_node_put" instead, but as the error
paths are quite divergent, I'm not sure if that wouldn't complicate
things.
Fixes: f110f3188e56 ("iio: temperature: Add support for LTC2983")
Signed-off-by: Tobias Jordan <kernel@xxxxxxx>
---
drivers/iio/temperature/ltc2983.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/iio/temperature/ltc2983.c b/drivers/iio/temperature/ltc2983.c
index 55ff28a0f1c7..438e0ee29025 100644
--- a/drivers/iio/temperature/ltc2983.c
+++ b/drivers/iio/temperature/ltc2983.c
@@ -1285,6 +1285,7 @@ static int ltc2983_parse_dt(struct ltc2983_data *st)
ret = of_property_read_u32(child, "reg", &sensor.chan);
if (ret) {
dev_err(dev, "reg property must given for child nodes\n");
+ of_node_put(child);
return ret;
}
@@ -1293,9 +1294,11 @@ static int ltc2983_parse_dt(struct ltc2983_data *st)
sensor.chan > LTC2983_MAX_CHANNELS_NR) {
dev_err(dev,
"chan:%d must be from 1 to 20\n", sensor.chan);
+ of_node_put(child);
return -EINVAL;
} else if (channel_avail_mask & BIT(sensor.chan)) {
dev_err(dev, "chan:%d already in use\n", sensor.chan);
+ of_node_put(child);
return -EINVAL;
}
@@ -1304,6 +1307,7 @@ static int ltc2983_parse_dt(struct ltc2983_data *st)
if (ret) {
dev_err(dev,
"adi,sensor-type property must given for child nodes\n");
+ of_node_put(child);
return ret;
}
@@ -1334,12 +1338,14 @@ static int ltc2983_parse_dt(struct ltc2983_data *st)
st->sensors[chan] = ltc2983_adc_new(child, st, &sensor);
} else {
dev_err(dev, "Unknown sensor type %d\n", sensor.type);
+ of_node_put(child);
return -EINVAL;
}
if (IS_ERR(st->sensors[chan])) {
dev_err(dev, "Failed to create sensor %ld",
PTR_ERR(st->sensors[chan]));
+ of_node_put(child);
return PTR_ERR(st->sensors[chan]);
}
/* set generic sensor parameters */
--
2.20.1
