Commit f2ae44ae authored by Hanjun Guo's avatar Hanjun Guo Committed by Rafael J. Wysocki
Browse files

ACPI: fan: Bail out if extract package failed 



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: d445571f ("ACPI: fan: Optimize struct acpi_fan_fif")
Signed-off-by: default avatarHanjun Guo <guohanjun@huawei.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent eb708140

drivers/acpi/fan_core.c

+1 −0
Original line number Diff line number Diff line
@@ -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];