This is a note to let you know that I've just added the patch titled
power: supply: z2_battery: Fix possible memleak in z2_batt_probe()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
power-supply-z2_battery-fix-possible-memleak-in-z2_b.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c40cf58a441cbe0d79bbbe4569f53e22ad6ef315
Author: Zhang Qilong <zhangqilong3@xxxxxxxxxx>
Date: Mon Nov 21 09:18:31 2022 +0800
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@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/power/supply/z2_battery.c b/drivers/power/supply/z2_battery.c
index 7ed4e4bb26ec..fd33cdf9cf12 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");
