linux-kernel - [PATCH 14/23] scsi: hisi_sas: remove task free'ing for timeouts

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Date:   Thu, 23 Mar 2017 01:25:30 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>
CC:     <linuxarm@...wei.com>, <john.garry2@...l.dcu.ie>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <zhangfei.gao@...aro.org>, John Garry <john.garry@...wei.com>
Subject: [PATCH 14/23] scsi: hisi_sas: remove task free'ing for timeouts

When a TMF or internal abort times-out, do not free
slot. We expect this to be done upon later escalated
error handling.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_main.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index f9ea5cc..3d63a24 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -743,14 +743,6 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device,
 		if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
 			if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
 				dev_err(dev, "abort tmf: TMF task timeout\n");
-				if (task->lldd_task) {
-					struct hisi_sas_slot *slot =
-						task->lldd_task;
-
-					hisi_sas_slot_task_free(hisi_hba,
-								task, slot);
-				}
-
 				goto ex_err;
 			}
 		}
@@ -1248,15 +1240,10 @@ static int hisi_sas_query_task(struct sas_task *task)
 		goto exit;
 	}
 
-	/* TMF timed out, return direct. */
+	/* Internal abort timed out */
 	if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
 		if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
 			dev_err(dev, "internal task abort: timeout.\n");
-			if (task->lldd_task) {
-				struct hisi_sas_slot *slot = task->lldd_task;
-
-				hisi_sas_slot_task_free(hisi_hba, task, slot);
-			}
 		}
 	}
 
-- 
1.9.1