On Wed, Dec 03, 2014 at 02:59:25PM +0000, Tvrtko Ursulin wrote:
> +void i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
> + u32 flags)
> +{
> + struct sg_table *pages = i915_ggtt_view_pages(vma);
> +
> + if (pages && !IS_ERR(pages)) {
> + vma->bind_vma(vma, pages, cache_level, flags);
> +
> + if (vma->ggtt_view.type != I915_GGTT_VIEW_NORMAL) {
> + sg_free_table(pages);
> + kfree(pages);
> + }
> + }
> +}
Stop. Even if the failure path is impossible with the present
implementation, here you are masking the error only to go and pretend
the binding succeeded.
Don't be lazy, this is a very nasty bug that should be hit during igt -
or else you are not testing well enough.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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