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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-05-29 16:34:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-12 12:03:56 +0300 |
| commit | eaa995d0d50f06d015483e77b332a13e9f6cac87 (patch) | |
| tree | 0a2eafcc6c5cfb70391e7fed218ace007534fcef | |
| parent | ba97ba173f9625d5f34a986088979eae8b80d38e (diff) | |
| download | linux-eaa995d0d50f06d015483e77b332a13e9f6cac87.tar.xz | |
ACPI: processor: Return an error if acpi_processor_get_info() fails in processor_add()
[ Upstream commit fadf231f0a06a6748a7fc4a2c29ac9ef7bca6bfd ]
Rafael observed [1] that returning 0 from processor_add() will result in
acpi_default_enumeration() being called which will attempt to create a
platform device, but that makes little sense when the processor is known
to be not available. So just return the error code from acpi_processor_get_info()
instead.
Link: https://lore.kernel.org/all/CAJZ5v0iKU8ra9jR+EmgxbuNm=Uwx2m1-8vn_RAZ+aCiUVLe3Pw@mail.gmail.com/ [1]
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-5-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/acpi/acpi_processor.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 2c4dda0787e8..ffa10cb4f717 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -388,7 +388,7 @@ static int acpi_processor_add(struct acpi_device *device, result = acpi_processor_get_info(device); if (result) /* Processor is not physically present or unavailable */ - return 0; + return result; BUG_ON(pr->id >= nr_cpu_ids); |