Re: [RFC] ioctl(2) return value

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Thu Sep 21 2000 - 17:07:07 EST

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> I've looked Singe UNIX Specification, Version 2 and there this seems
> perfectly acceptable.
>
> I'd like very much to have some feedback to do the RightThing (tm).
>
> The alternative of course would be to add a result field inside struct
> passed by pointer to ioctl call.

Linux doesnt care. If you want ALSA to run on SYS5 or BSD derived kernels you
should avoid returning anything but 0/error-code from ioctls.

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