On pe, 2017-01-27 at 17:20 +0000, Chris Wilson wrote: > Just do a quick check that the stolen memory address range doesn't > overflow our chosen integer type. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> <SNIP> > @@ -189,7 +189,7 @@ static dma_addr_t i915_stolen_to_dma(struct drm_i915_private *dev_priv) > base = tom - tseg_size - ggtt->stolen_size; > } > > - if (base == 0) > + if (base == 0 || base + ggtt->stolen_size <= base) range_overflows? Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
