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| author | Xiang Chen <chenxiang66@hisilicon.com> | 2017-12-09 01:16:33 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-12-14 21:25:02 -0500 |
| commit | dc1e4730e2b636065628f8427b675788bca83d34 (patch) | |
| tree | 027aba210c26cacd5b954d4baff0ea13fa347c09 /drivers/scsi/hisi_sas | |
| parent | 39bade0c9fb11e04945a5749e01e65a376e4eb02 (diff) | |
| download | op-kernel-dev-dc1e4730e2b636065628f8427b675788bca83d34.zip op-kernel-dev-dc1e4730e2b636065628f8427b675788bca83d34.tar.gz | |
scsi: hisi_sas: fix dma_unmap_sg() parameter
For function dma_unmap_sg(), the <nents> parameter should be number of
elements in the scatterlist prior to the mapping, not after the mapping.
Fix this usage.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 359ec52..d842530 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -192,7 +192,8 @@ void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task, if (!sas_protocol_ata(task->task_proto)) if (slot->n_elem) - dma_unmap_sg(dev, task->scatter, slot->n_elem, + dma_unmap_sg(dev, task->scatter, + task->num_scatter, task->data_dir); if (sas_dev) @@ -431,7 +432,8 @@ err_out: dev_err(dev, "task prep: failed[%d]!\n", rc); if (!sas_protocol_ata(task->task_proto)) if (n_elem) - dma_unmap_sg(dev, task->scatter, n_elem, + dma_unmap_sg(dev, task->scatter, + task->num_scatter, task->data_dir); prep_out: return rc; |
