From: Quinn Tran <quinn.t...@cavium.com>

o Uses predefine inline function to access add_cdb_len field
in ATIO.
o Return SS_RESIDUAL_UNDER status when sending BUSY

Signed-off-by: Quinn Tran <quinn.t...@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madh...@cavium.com>
---
 drivers/scsi/qla2xxx/qla_target.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_target.c 
b/drivers/scsi/qla2xxx/qla_target.c
index 5e81b64c8ef5..a77703f655ed 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -3550,13 +3550,6 @@ static int __qlt_send_term_exchange(struct qla_qpair 
*qpair,
        temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id);
        ctio24->u.status1.ox_id = cpu_to_le16(temp);
 
-       /* Most likely, it isn't needed */
-       ctio24->u.status1.residual = get_unaligned((uint32_t *)
-           &atio->u.isp24.fcp_cmnd.add_cdb[
-           atio->u.isp24.fcp_cmnd.add_cdb_len]);
-       if (ctio24->u.status1.residual != 0)
-               ctio24->u.status1.scsi_status |= SS_RESIDUAL_UNDER;
-
        /* Memory Barrier */
        wmb();
        if (qpair->reqq_start_iocbs)
@@ -4051,9 +4044,7 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd)
 
        fcp_task_attr = qlt_get_fcp_task_attr(vha,
            atio->u.isp24.fcp_cmnd.task_attr);
-       data_length = be32_to_cpu(get_unaligned((uint32_t *)
-           &atio->u.isp24.fcp_cmnd.add_cdb[
-           atio->u.isp24.fcp_cmnd.add_cdb_len]));
+       data_length = get_datalen_for_atio(atio);
 
        ret = ha->tgt.tgt_ops->handle_cmd(vha, cmd, cdb, data_length,
                                          fcp_task_attr, data_dir, bidi);
@@ -5187,6 +5178,12 @@ static int __qlt_send_busy(struct qla_qpair *qpair,
         */
        ctio24->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
        ctio24->u.status1.scsi_status = cpu_to_le16(status);
+
+       ctio24->u.status1.residual = get_datalen_for_atio(atio);
+
+       if (ctio24->u.status1.residual != 0)
+               ctio24->u.status1.scsi_status |= SS_RESIDUAL_UNDER;
+
        /* Memory Barrier */
        wmb();
        if (qpair->reqq_start_iocbs)
-- 
2.12.0

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