power: supply: max17042_battery: Fix compiler warning

Fix drivers/power/supply/max17042_battery.c:1059:6:
warning: 'acpi_id' may be used uninitialized in this function.

No idea why my gcc version did not catch this.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>

diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index 18a44e4..5b556a1 100644 (file)
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -983,7 +983,7 @@ static int max17042_probe(struct i2c_client *client,
        struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
        const struct power_supply_desc *max17042_desc = &max17042_psy_desc;
        struct power_supply_config psy_cfg = {};
-       const struct acpi_device_id *acpi_id;
+       const struct acpi_device_id *acpi_id = NULL;
        struct device *dev = &client->dev;
        struct max17042_chip *chip;
        int ret;