From f2ae44ae5335864794acb5b0490746ba9db3ccd7 Mon Sep 17 00:00:00 2001 From: Hanjun Guo Date: Tue, 22 Nov 2022 16:53:28 +0800 Subject: [PATCH] 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: d445571fa369 ("ACPI: fan: Optimize struct acpi_fan_fif") Signed-off-by: Hanjun Guo Signed-off-by: Rafael J. Wysocki --- drivers/acpi/fan_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/fan_core.c b/drivers/acpi/fan_core.c index 52a0b303b70a..9dccbae9e8ea 100644 --- a/drivers/acpi/fan_core.c +++ b/drivers/acpi/fan_core.c @@ -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];