[PATCH v4] Add decoding for evdev ioctls.

[Dmitry V. Levin]

On Tue, Feb 17, 2015 at 08:04:06PM +0100, Etienne Gemsa wrote:
> > > + struct input_mt_request_layout {
> > > +		uint32_t code;
> > > +		int32_t values[tcp->u_rval/sizeof(int32_t) - 1];
> >
> > Is it correct to use tcp->u_rval here?
> 
> I don't see why tcp->u_rval should not be apropriate, in this case, we use the
> return value on exiting.

If EVIOCGMTSLOTS succeeds, then tcp->u_rval equals to 0 and
tcp->u_rval/sizeof(int32_t) - 1 equals to -1.


-- 
ldv
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