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ACPI / CPPC: set an error code on probe error path

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We should return -EINVAL (instead of 0) if get_cpu_device() fails.

Fixes: 158c998ea4 (ACPI / CPPC: add sysfs support to compute delivered performance)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Dan Carpenter 2016-11-30 22:22:54 +03:00 committed by Rafael J. Wysocki
parent e5517c2a5a
commit 501634759d
1 changed files with 3 additions and 1 deletions
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4
drivers/acpi/cppc_acpi.c
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@ -784,8 +784,10 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
/* Add per logical CPU nodes for reading its feedback counters. */
cpu_dev = get_cpu_device(pr->id);
if (!cpu_dev)
if (!cpu_dev) {
ret = -EINVAL;
goto out_free;
}
ret = kobject_init_and_add(&cpc_ptr->kobj, &cppc_ktype, &cpu_dev->kobj,
"acpi_cppc");