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power: supply: z2_battery: Fix possible memleak in z2_batt_probe()

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[ Upstream commit 955bee204f ]

If devm_gpiod_get_optional() returns error, the charger should be
freed before z2_batt_probe returns according to the context. We
fix it by just gotoing to 'err' branch.

Fixes: a3b4388ea1 ("power: supply: z2_battery: Convert to GPIO descriptors")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhang Qilong
2022-11-21 09:18:31 +08:00
committed by Greg Kroah-Hartman
parent 38d35aae1b
commit be11e09513
1 changed files with 4 additions and 2 deletions
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6
drivers/power/supply/z2_battery.c
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@@ -206,10 +206,12 @@ static int z2_batt_probe(struct i2c_client *client,
charger->charge_gpiod = devm_gpiod_get_optional(&client->dev,
NULL, GPIOD_IN);
if (IS_ERR(charger->charge_gpiod))
return dev_err_probe(&client->dev,
if (IS_ERR(charger->charge_gpiod)) {
ret = dev_err_probe(&client->dev,
PTR_ERR(charger->charge_gpiod),
"failed to get charge GPIO\n");
goto err;
}
if (charger->charge_gpiod) {
gpiod_set_consumer_name(charger->charge_gpiod, "BATT CHRG");