Re: PATCH for changing of DVD speed via ioctl() call

From: Chris Wedgwood
Date: Mon Aug 22 2005 - 18:02:30 EST


On Sun, Aug 21, 2005 at 09:56:45PM +0200, Bodo Eggert wrote:

> The parameter value should IMHO be a pointer to a struct {
> unsigned long long maxspeed; // (with 0 being the magic max. value?)
> int facility; /* 0=general speed, 2=general read, 4=read data,
> 6=read audio, 8=read raw ... whatever is supported
> n+1 = s/read/write/ */
> }

Passing pointers inside ioctl's is horrible IMO and if we can avoid it
we should. It's just asking for problems.
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