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power: supply: olpc_battery: Hold the reference returned by of_find_compatible_node 

In olpc_battery_probe(), we should hold the reference returned by
of_find_compatible_node() and use it to call of_node_put() for
refcount balance.

Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Liang He 2022-06-21 23:17:20 +08:00 committed by Sebastian Reichel
parent 38d45444e2
commit c9d8468158
1 changed files with 4 additions and 1 deletions
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5
drivers/power/supply/olpc_battery.c
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@ -635,6 +635,7 @@ static int olpc_battery_probe(struct platform_device *pdev)
struct power_supply_config bat_psy_cfg = {};
struct power_supply_config ac_psy_cfg = {};
struct olpc_battery_data *data;
struct device_node *np;
uint8_t status;
uint8_t ecver;
int ret;
@ -649,7 +650,9 @@ static int olpc_battery_probe(struct platform_device *pdev)
if (ret)
return ret;
if (of_find_compatible_node(NULL, NULL, "olpc,xo1.75-ec")) {
np = of_find_compatible_node(NULL, NULL, "olpc,xo1.75-ec");
if (np) {
of_node_put(np);
/* XO 1.75 */
data->new_proto = true;
data->little_endian = true;