Re: [PATCH RFC 0/4] Add firmware signature file check

[lee joey]

2012/11/6 Ming Lei <tom.leiming@xxxxxxxxx>:
> On Tue, Nov 6, 2012 at 1:18 AM, Takashi Iwai <tiwai@xxxxxxx> wrote:
>>
>> To be noted, it doesn't support the firmwares via udev but only the
>> direct loading, and the check for built-in firmware is missing, too.
>
> Generally, both direct loading and udev may request one same firmware
> image. And after check failed, current firmware load will fallback on udev
> to complete loading, so looks a check-failed firmware still can be loaded
> into kernel no matter if there is firmware signature check or not.
>
>
> Thanks,
> --
> Ming Lei
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The udev direct write firmware through data attribute, maybe we can do
the same signature verification in firmware_data_write? The following
patch didn't test yet.


Thanks
Joey Lee