| Message ID | 20170603073858.2332-1-jlee@suse.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 34fbe02..2f2cec9 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -427,8 +427,14 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) (driver->flags & ACPI_DRIVER_ALL_NOTIFY_EVENTS)) driver->ops.notify(adev, type); - if (hotplug_event && ACPI_SUCCESS(acpi_hotplug_schedule(adev, type))) - return; + if (hotplug_event) { + if (ACPI_FAILURE(acpi_hotplug_schedule(adev, type))) { + acpi_bus_put_acpi_device(adev); + goto err; + } else { + return; + } + } acpi_bus_put_acpi_device(adev); return;
Kernel should the decrement reference count of acpi device when acpi hotplug work scheduling is failed. And, kernel should evaluates _OST to notify BIOS the failure. Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com> --- drivers/acpi/bus.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)