Re: [PATCH 2/2] dell-wmi: Process only one event on devices with interface version 0

2015-12-28 Thread Pali Rohár
On Monday 28 December 2015 14:40:56 Michał Kępień wrote: > > BIOS/ACPI on devices with WMI interface version 0 does not clear > > buffer before filling it. So next time when BIOS/ACPI send WMI > > event which is smaller as previous then it contains garbage in > > buffer from previous event. > > >

Re: [PATCH 2/2] dell-wmi: Process only one event on devices with interface version 0

2015-12-28 Thread Michał Kępień
> BIOS/ACPI on devices with WMI interface version 0 does not clear buffer > before filling it. So next time when BIOS/ACPI send WMI event which is > smaller as previous then it contains garbage in buffer from previous event. > > BIOS/ACPI on devices with WMI interface version 1 clears buffer and

Re: [PATCH 2/2] dell-wmi: Process only one event on devices with interface version 0

2015-12-28 Thread Michał Kępień
> BIOS/ACPI on devices with WMI interface version 0 does not clear buffer > before filling it. So next time when BIOS/ACPI send WMI event which is > smaller as previous then it contains garbage in buffer from previous event. > > BIOS/ACPI on devices with WMI interface version 1 clears buffer and

Re: [PATCH 2/2] dell-wmi: Process only one event on devices with interface version 0

2015-12-28 Thread Pali Rohár
On Monday 28 December 2015 14:40:56 Michał Kępień wrote: > > BIOS/ACPI on devices with WMI interface version 0 does not clear > > buffer before filling it. So next time when BIOS/ACPI send WMI > > event which is smaller as previous then it contains garbage in > > buffer from previous event. > > >