[PATCH 4.5 075/200] iommu/dma: Restore scatterlist offsets correctly

4.5-stable review patch. If anyone has any objections, please let me know. -- From: Robin Murphy commit 07b48ac4bbe527e68cfc555f2b2b206908437141 upstream. With the change to stashing just the IOVA-page-aligned remainder of the CPU-page offset rather than

[PATCH 4.5 075/200] iommu/dma: Restore scatterlist offsets correctly

4.5-stable review patch. If anyone has any objections, please let me know. -- From: Robin Murphy commit 07b48ac4bbe527e68cfc555f2b2b206908437141 upstream. With the change to stashing just the IOVA-page-aligned remainder of the CPU-page offset rather than the whole thing, the