John Garry <> writes:


> The total ata xfer length may not be calculated properly,
> in that we do not use the proper method to get an sg element
> dma length.
> According to the code comment, sg_dma_len() should be used
> after dma_map_sg() is called.
> This issue was found by turning on the SMMUv3 in front of
> the hisi_sas controller in hip07. Multiple sg elements
> were being combined into a single element, but the original
> first element length was being use as the total xfer length.

Applied to 4.11/scsi-fixes.

Martin K. Petersen      Oracle Linux Engineering

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