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power: supply: core: Initialize struct to zero

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As we rely on pointers in the battery info to be zero-initialized
such as in the helper function power_supply_supports_vbat2ri()
we certainly need to allocate the struct power_supply_battery_info
with kzalloc() as well. Else this happens:

Unable to handle kernel paging request at virtual address 00280000
(...)
PC is at power_supply_vbat2ri+0x50/0x12c
LR is at ab8500_fg_battery_resistance+0x34/0x108

Fixes: e9e7d165b4 ("power: supply: Support VBAT-to-Ri lookup tables")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Linus Walleij 2022-04-25 00:13:01 +02:00 committed by Sebastian Reichel
parent 672c0c5173
commit e56a4be284
1 changed files with 1 additions and 1 deletions
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2
drivers/power/supply/power_supply_core.c
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@ -616,7 +616,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
goto out_put_node;
}
info = devm_kmalloc(&psy->dev, sizeof(*info), GFP_KERNEL);
info = devm_kzalloc(&psy->dev, sizeof(*info), GFP_KERNEL);
if (!info) {
err = -ENOMEM;
goto out_put_node;