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hwmon: (ina3221) Add of_node_put() before return

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Each iteration of for_each_child_of_node puts the previous
node, but in the case of a return from the middle of the loop, there is
no put, thus causing a memory leak. Hence add an of_node_put before the
return.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Link: https://lore.kernel.org/r/20190706132130.3129-1-nishkadg.linux@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Nishka Dasgupta 2019-07-06 18:51:30 +05:30 committed by Guenter Roeck
parent 277c628fa5
commit 9f7546570b
1 changed files with 3 additions and 1 deletions
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4
drivers/hwmon/ina3221.c
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@ -713,8 +713,10 @@ static int ina3221_probe_from_dt(struct device *dev, struct ina3221_data *ina)
for_each_child_of_node(np, child) {
ret = ina3221_probe_child_from_dt(dev, child, ina);
if (ret)
if (ret) {
of_node_put(child);
return ret;
}
}
return 0;