Messages in this thread | | | Date | Sat, 8 Jul 2017 11:25:12 +0800 | From | jlee@suse ... | Subject | Re: [PATCH v3] acpi: handle the acpi hotplug schedule error |
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Hi Rafael,
On Fri, Jul 07, 2017 at 03:16:40PM +0200, Rafael J. Wysocki wrote: > On Friday, July 07, 2017 02:22:42 PM Lee, Chun-Yi wrote: > > Kernel should decrements the reference count of acpi device > > when the scheduling of acpi hotplug work failed, and evaluates > > _OST to notify BIOS the failure. > > > > v3: > > More simplify the code. (Rafael J. Wysocki) > > > > v2: > > To simplify the code. (Andy Shevchenko) > > > > Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> > > Cc: Len Brown <lenb@kernel.org> > > Cc: Michal Hocko <mhocko@suse.cz> > > Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> > > Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com> > > This has been applied too AFAICS. >
I saw patches in linux-next.
Thanks for your review.
Joey Lee
> > --- > > drivers/acpi/bus.c | 8 ++++++-- > > 1 file changed, 6 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c > > index 784bda6..9d4fea6 100644 > > --- a/drivers/acpi/bus.c > > +++ b/drivers/acpi/bus.c > > @@ -432,11 +432,15 @@ 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))) > > + if (!hotplug_event) { > > + acpi_bus_put_acpi_device(adev); > > + return; > > + } > > + > > + if (ACPI_SUCCESS(acpi_hotplug_schedule(adev, type))) > > return; > > > > acpi_bus_put_acpi_device(adev); > > - return; > > > > err: > > acpi_evaluate_ost(handle, type, ost_code, NULL); > > >
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