[PATCH] iommu-common: fix return type of iommu_tbl_range_alloc()

[Sowmini Varadhan]

On (10/21/15 21:12), Geert Uytterhoeven wrote:
> 
> Does this function really need to return DMA_ERROR_CODE in case of
> failure?

fwiw, this came up very early in code review:

  http://marc.info/?l=linux-sparc&m=142613044704833&w=2

--Sowmini