qla2xxx: Remove msleep in qlt_send_term_exchange

Remove unnecessary msleep from qlt_send_term_exchange as it
adds latency of 250 msec while sending terminate exchange to
an aborted task.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index cda443462071..2491bc9dd2a5 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -2713,7 +2713,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
 static void qlt_send_term_exchange(struct scsi_qla_host *vha,
         struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked)
 {
-        unsigned long flags;
+        unsigned long flags = 0;
         int rc;
 
         if (qlt_issue_marker(vha, ha_locked) < 0)
@@ -2729,17 +2729,18 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha,
         rc = __qlt_send_term_exchange(vha, cmd, atio);
         if (rc == -ENOMEM)
                 qlt_alloc_qfull_cmd(vha, atio, 0, 0);
-        spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
 
 done:
         if (cmd && ((cmd->state != QLA_TGT_STATE_ABORTED) ||
             !cmd->cmd_sent_to_fw)) {
-                if (!ha_locked && !in_interrupt())
-                        msleep(250); /* just in case */
-
-                qlt_unmap_sg(vha, cmd);
+                if (cmd->sg_mapped)
+                        qlt_unmap_sg(vha, cmd);
                 vha->hw->tgt.tgt_ops->free_cmd(cmd);
         }
+
+        if (!ha_locked)
+                spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+
         return;
 }