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path: root/drivers/scsi
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Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c55
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 2772e920572d..58cbe1f0e0b6 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -412,14 +412,22 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq
if (rc)
goto err_out_dma_unmap;
+ slot = &hisi_hba->slot_info[slot_idx];
+ memset(slot, 0, sizeof(struct hisi_sas_slot));
+
+ slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
+ GFP_ATOMIC, &slot->buf_dma);
+ if (!slot->buf) {
+ rc = -ENOMEM;
+ goto err_out_tag;
+ }
+
rc = hisi_hba->hw->get_free_slot(hisi_hba, dq);
if (rc)
- goto err_out_tag;
+ goto err_out_buf;
dlvry_queue = dq->id;
dlvry_queue_slot = dq->wr_point;
- slot = &hisi_hba->slot_info[slot_idx];
- memset(slot, 0, sizeof(struct hisi_sas_slot));
slot->idx = slot_idx;
slot->n_elem = n_elem;
@@ -434,12 +442,6 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq
task->lldd_task = slot;
INIT_WORK(&slot->abort_slot, hisi_sas_slot_abort);
- slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
- GFP_ATOMIC, &slot->buf_dma);
- if (!slot->buf) {
- rc = -ENOMEM;
- goto err_out_slot_buf;
- }
memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr));
memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ);
memset(hisi_sas_status_buf_addr_mem(slot), 0, HISI_SAS_STATUS_BUF_SZ);
@@ -474,8 +476,9 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq
return 0;
-err_out_slot_buf:
- /* Nothing to be done */
+err_out_buf:
+ dma_pool_free(hisi_hba->buffer_pool, slot->buf,
+ slot->buf_dma);
err_out_tag:
spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot_idx);
@@ -1519,17 +1522,26 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
}
spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ slot = &hisi_hba->slot_info[slot_idx];
+ memset(slot, 0, sizeof(struct hisi_sas_slot));
+
+ slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
+ GFP_ATOMIC, &slot->buf_dma);
+ if (!slot->buf) {
+ rc = -ENOMEM;
+ goto err_out_tag;
+ }
spin_lock_irqsave(&dq->lock, flags_dq);
rc = hisi_hba->hw->get_free_slot(hisi_hba, dq);
- if (rc)
- goto err_out_tag;
+ if (rc) {
+ rc = -ENOMEM;
+ spin_unlock_irqrestore(&dq->lock, flags_dq);
+ goto err_out_buf;
+ }
dlvry_queue = dq->id;
dlvry_queue_slot = dq->wr_point;
- slot = &hisi_hba->slot_info[slot_idx];
- memset(slot, 0, sizeof(struct hisi_sas_slot));
-
slot->idx = slot_idx;
slot->n_elem = n_elem;
slot->dlvry_queue = dlvry_queue;
@@ -1541,13 +1553,6 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
slot->is_internal = true;
task->lldd_task = slot;
- slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
- GFP_ATOMIC, &slot->buf_dma);
- if (!slot->buf) {
- rc = -ENOMEM;
- goto err_out_tag;
- }
-
memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr));
memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ);
memset(hisi_sas_status_buf_addr_mem(slot), 0, HISI_SAS_STATUS_BUF_SZ);
@@ -1570,11 +1575,13 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
return 0;
+err_out_buf:
+ dma_pool_free(hisi_hba->buffer_pool, slot->buf,
+ slot->buf_dma);
err_out_tag:
spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot_idx);
spin_unlock_irqrestore(&hisi_hba->lock, flags);
- spin_unlock_irqrestore(&dq->lock, flags_dq);
err_out:
dev_err(dev, "internal abort task prep: failed[%d]!\n", rc);