diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 55 |
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); |