On 2019.05.17 11:22:23 +0100, Chris Wilson wrote:
> Caught by smatch:
> drivers/gpu/drm/i915//gvt/gtt.c:1106 ppgtt_populate_spt_by_guest_entry() error: uninitialized symbol 'ret'.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gvt/gtt.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
> index 08c74e65836b..244ad1729764 100644
> --- a/drivers/gpu/drm/i915/gvt/gtt.c
> +++ b/drivers/gpu/drm/i915/gvt/gtt.c
> @@ -1076,8 +1076,10 @@ static struct intel_vgpu_ppgtt_spt *ppgtt_populate_spt_by_guest_entry(
> } else {
> int type = get_next_pt_type(we->type);
>
> - if (!gtt_type_is_pt(type))
> + if (!gtt_type_is_pt(type)) {
> + ret = -EINVAL;
> goto err;
> + }
>
> spt = ppgtt_alloc_spt_gfn(vgpu, type, ops->get_pfn(we), ips);
> if (IS_ERR(spt)) {
> --
I've already merged Dan's patch for this, I was out for some days of
last week, so haven't sent pull yet. Will include this in next pull.
Thanks
--
Open Source Technology Center, Intel ltd.
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