[PATCH] drm: avoid passing null pointer to memset

Chris Wilson chris at chris-wilson.co.uk
Wed Oct 10 05:52:35 PDT 2012

On Tue,  9 Oct 2012 16:56:58 -0300, Rodrigo Vivi <rodrigo.vivi at gmail.com> wrote:
> When cmd isn't IOC_IN | IOC_OUT a null "kdata" goes to "memset", which dereferences it.
> v2: simpler version just using usize = 0 instead of allocating useless memory
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>

Presuming that coverity is smart enough not to complain about
memcpy(NULL, src, 0),

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

Chris Wilson, Intel Open Source Technology Centre

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