Commit 99922461 authored by Sreekanth Reddy's avatar Sreekanth Reddy Committed by Martin K. Petersen
Browse files

scsi: mpi3mr: Fix reporting of actual data transfer size 

The driver is missing to set the residual size while completing an
I/O. Ensure proper data transfer size is reported to the kernel on I/O
completion based on the transfer length reported by the firmware.

Link: https://lore.kernel.org/r/20220210095817.22828-7-sreekanth.reddy@broadcom.com


Signed-off-by: default avatarSreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent b3911ab3

drivers/scsi/mpi3mr/mpi3mr_os.c

+2 −0
Original line number Diff line number Diff line
@@ -2600,6 +2600,8 @@ void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc, 
		scmd->result = DID_OK << 16;

		goto out_success;

	}



	scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_count);

	if (ioc_status == MPI3_IOCSTATUS_SCSI_DATA_UNDERRUN &&

	    xfer_count == 0 && (scsi_status == MPI3_SCSI_STATUS_BUSY ||

	    scsi_status == MPI3_SCSI_STATUS_RESERVATION_CONFLICT ||