On Sun, 1 Oct 2006 09:52:42 +0100 (BST)
Iain Hibbert <plunky@rya-online.net> wrote:

> I think when you use _IOWR then you also must use _sendrecv_ (will
> look properly in a bit, but I think both ioctls you have are IOWR?)

This is what I suspected when I changed it to _sendrecv_.

Yes, I'm using IOWR in the two ioctls. I think I had IOW for
SMCPUFREQ_GDICT in the past.

But I remember someone told me that I have always to use IOWR 
for proplib...