[PATCH 4/4] scsi: hisi_sas: Stop returning error code from slot_complete_vX_hw()

[John Garry]

The error codes are never checked, so stop returning them.

Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
 drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 12 ++++--------
 drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 16 ++++++----------
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 16 ++++++----------
 3 files changed, 16 insertions(+), 28 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index c205bff20943..2e1718f9ade2 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -1175,15 +1175,14 @@ static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
 
 }
 
-static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
-			       struct hisi_sas_slot *slot)
+static void slot_complete_v1_hw(struct hisi_hba *hisi_hba,
+				struct hisi_sas_slot *slot)
 {
 	struct sas_task *task = slot->task;
 	struct hisi_sas_device *sas_dev;
 	struct device *dev = hisi_hba->dev;
 	struct task_status_struct *ts;
 	struct domain_device *device;
-	enum exec_status sts;
 	struct hisi_sas_complete_v1_hdr *complete_queue =
 			hisi_hba->complete_hdr[slot->cmplt_queue];
 	struct hisi_sas_complete_v1_hdr *complete_hdr;
@@ -1194,7 +1193,7 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
 	cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
 
 	if (unlikely(!task || !task->lldd_task || !task->dev))
-		return -EINVAL;
+		return;
 
 	ts = &task->task_status;
 	device = task->dev;
@@ -1260,7 +1259,7 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
 
 		slot_err_v1_hw(hisi_hba, task, slot);
 		if (unlikely(slot->abort))
-			return ts->stat;
+			return;
 		goto out;
 	}
 
@@ -1309,12 +1308,9 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
 
 out:
 	hisi_sas_slot_task_free(hisi_hba, task, slot);
-	sts = ts->stat;
 
 	if (task->task_done)
 		task->task_done(task);
-
-	return sts;
 }
 
 /* Interrupts */
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index c725cffe141e..e7e7849a4c14 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -2318,8 +2318,8 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
 	}
 }
 
-static int
-slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
+static void slot_complete_v2_hw(struct hisi_hba *hisi_hba,
+				struct hisi_sas_slot *slot)
 {
 	struct sas_task *task = slot->task;
 	struct hisi_sas_device *sas_dev;
@@ -2327,7 +2327,6 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 	struct task_status_struct *ts;
 	struct domain_device *device;
 	struct sas_ha_struct *ha;
-	enum exec_status sts;
 	struct hisi_sas_complete_v2_hdr *complete_queue =
 			hisi_hba->complete_hdr[slot->cmplt_queue];
 	struct hisi_sas_complete_v2_hdr *complete_hdr =
@@ -2337,7 +2336,7 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 	u32 dw0;
 
 	if (unlikely(!task || !task->lldd_task || !task->dev))
-		return -EINVAL;
+		return;
 
 	ts = &task->task_status;
 	device = task->dev;
@@ -2406,7 +2405,7 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 				 error_info[2], error_info[3]);
 
 		if (unlikely(slot->abort))
-			return ts->stat;
+			return;
 		goto out;
 	}
 
@@ -2456,12 +2455,11 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 	}
 
 out:
-	sts = ts->stat;
 	spin_lock_irqsave(&task->task_state_lock, flags);
 	if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
 		dev_info(dev, "slot complete: task(%pK) aborted\n", task);
-		return SAS_ABORTED_TASK;
+		return;
 	}
 	task->task_state_flags |= SAS_TASK_STATE_DONE;
 	spin_unlock_irqrestore(&task->task_state_lock, flags);
@@ -2473,15 +2471,13 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 			spin_unlock_irqrestore(&device->done_lock, flags);
 			dev_info(dev, "slot complete: task(%pK) ignored\n",
 				 task);
-			return sts;
+			return;
 		}
 		spin_unlock_irqrestore(&device->done_lock, flags);
 	}
 
 	if (task->task_done)
 		task->task_done(task);
-
-	return sts;
 }
 
 static void prep_ata_v2_hw(struct hisi_hba *hisi_hba,
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index df9f06224f8f..9acb67cae49c 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -2156,8 +2156,8 @@ slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task,
 	}
 }
 
-static int
-slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
+static void slot_complete_v3_hw(struct hisi_hba *hisi_hba,
+				struct hisi_sas_slot *slot)
 {
 	struct sas_task *task = slot->task;
 	struct hisi_sas_device *sas_dev;
@@ -2165,7 +2165,6 @@ slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 	struct task_status_struct *ts;
 	struct domain_device *device;
 	struct sas_ha_struct *ha;
-	enum exec_status sts;
 	struct hisi_sas_complete_v3_hdr *complete_queue =
 			hisi_hba->complete_hdr[slot->cmplt_queue];
 	struct hisi_sas_complete_v3_hdr *complete_hdr =
@@ -2175,7 +2174,7 @@ slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 	u32 dw0, dw1, dw3;
 
 	if (unlikely(!task || !task->lldd_task || !task->dev))
-		return -EINVAL;
+		return;
 
 	ts = &task->task_status;
 	device = task->dev;
@@ -2237,7 +2236,7 @@ slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 				 error_info[0], error_info[1],
 				 error_info[2], error_info[3]);
 		if (unlikely(slot->abort))
-			return ts->stat;
+			return;
 		goto out;
 	}
 
@@ -2282,12 +2281,11 @@ slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 	}
 
 out:
-	sts = ts->stat;
 	spin_lock_irqsave(&task->task_state_lock, flags);
 	if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
 		dev_info(dev, "slot complete: task(%pK) aborted\n", task);
-		return SAS_ABORTED_TASK;
+		return;
 	}
 	task->task_state_flags |= SAS_TASK_STATE_DONE;
 	spin_unlock_irqrestore(&task->task_state_lock, flags);
@@ -2299,15 +2297,13 @@ slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 			spin_unlock_irqrestore(&device->done_lock, flags);
 			dev_info(dev, "slot complete: task(%pK) ignored\n ",
 				 task);
-			return sts;
+			return;
 		}
 		spin_unlock_irqrestore(&device->done_lock, flags);
 	}
 
 	if (task->task_done)
 		task->task_done(task);
-
-	return sts;
 }
 
 static irqreturn_t  cq_thread_v3_hw(int irq_no, void *p)
-- 
2.16.4