iommu/dma: Restore scatterlist offsets correctly

With the change to stashing just the IOVA-page-aligned remainder of the
CPU-page offset rather than the whole thing, the failure path in
__invalidate_sg() also needs tweaking to account for that in the case of
differing page sizes where the two offsets may not be equivalent.
Similarly in __finalise_sg(), lest the architecture-specific wrappers
later get the wrong address for cache maintenance on sync or unmap.

Fixes: 164afb1d85b8 ("iommu/dma: Use correct offset in map_sg")
Reported-by: Magnus Damm <[email protected]>
Signed-off-by: Robin Murphy <[email protected]>
Cc: [email protected] # v4.4+
Signed-off-by: Joerg Roedel <[email protected]>

0 files changed, 0 insertions, 0 deletions