On Tue, 9 Oct 2012 14:50:46 -0300, Rodrigo Vivi <rodrigo.v...@gmail.com> wrote:
> When cmd isn't IOC_IN | IOC_OUT a null "kdata" goes to "memset", which
> dereferences it.
>
usize should be 0 in that case, since the ioctl is neither copying data
in or out, for example I915_GEM_THROTTLE. To be on the safe side:
if (IOC_IN | IOC_OUT) { /* blah */ } else usize = 0;
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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