Re: [RFC] vtunerc: virtual DVB device - is it ok to NACK driver becauseof worrying about possible misusage?

[Andreas Oberritter]

On 06.12.2011 15:19, RÃmi Denis-Courmont wrote:
> Le mardi 6 dÃcembre 2011 15:49:11 Andreas Oberritter, vous avez Ãcrit :
>> You don't need to wait for write-only operations. Basically all demux
>> ioctls are write-only. Since vtunerc is using dvb-core's software demux
>> *locally*, errors for invalid arguments etc. will be returned as usual.
> 
> That's a limitation, not a feature.

You misunderstood.

> You should not transmit unwanted programs over the network, nor copy them to 
> kernel space.

I agree. And nobody said that this would happen. The software demux
receives pre-filtered data. Still the ioctls are local. Just a trigger
to start or stop filters needs to be sent to the remote demux, just like
a register setting would be needed for a local hardware demux.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/