diff options
| author | Zhang Qilong <zhangqilong3@huawei.com> | 2022-11-21 04:18:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-12-31 15:32:44 +0300 |
| commit | be11e095131437084d2dd214cb9ff5a7e281995d (patch) | |
| tree | 89318c964d4ed2c5bf1748e4c83816f497a07c45 /drivers/power | |
| parent | 38d35aae1b2712a58f5e075f5bb508b32e12ab34 (diff) | |
| download | linux-be11e095131437084d2dd214cb9ff5a7e281995d.tar.xz | |
power: supply: z2_battery: Fix possible memleak in z2_batt_probe()
[ Upstream commit 955bee204f3dd307642c101b75e370662987e735 ]
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: a3b4388ea19b ("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>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/z2_battery.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/power/supply/z2_battery.c b/drivers/power/supply/z2_battery.c index 1897c2984860..d033c1d3ee42 100644 --- a/drivers/power/supply/z2_battery.c +++ b/drivers/power/supply/z2_battery.c @@ -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"); |