John Garry <john.garry@xxxxxxxxxx> writes: John, > 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
