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ACPI: fan: Bail out if extract package failed

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Bail out if we extract the _FIF package failed, or we will end
of referencing the garbage information in fields[], the fan control
will be in mess, fix it.

Fiexes: d445571fa3 ("ACPI: fan: Optimize struct acpi_fan_fif")
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hanjun Guo 2022-11-22 16:53:28 +08:00 • committed by Rafael J. Wysocki
parent eb7081409f
commit f2ae44ae53
1 changed files with 1 additions and 0 deletions
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1
drivers/acpi/fan_core.c
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@ -236,6 +236,7 @@ static int acpi_fan_get_fif(struct acpi_device *device)
if (ACPI_FAILURE(status)) {
dev_err(&device->dev, "Invalid _FIF element\n");
status = -EINVAL;
goto err;
}
fan->fif.revision = fields[0];