From: Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx> [ Upstream commit 76cb25b058034d37244be6aca97a2ad52a5fbcad ] For the function dma_unmap_sg(), the <nents> parameter should be number of elements in the scatter list prior to the mapping, not after the mapping. Signed-off-by: Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx> Signed-off-by: Viswas G <Viswas.G@xxxxxxxxxxxxx> Acked-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/scsi/pm8001/pm8001_sas.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 949198c01ced6..ef1687f798cc1 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -463,7 +463,7 @@ static int pm8001_task_exec(struct sas_task *task, dev_printk(KERN_ERR, pm8001_ha->dev, "pm8001 exec failed[%d]!\n", rc); if (!sas_protocol_ata(t->task_proto)) if (n_elem) - dma_unmap_sg(pm8001_ha->dev, t->scatter, n_elem, + dma_unmap_sg(pm8001_ha->dev, t->scatter, t->num_scatter, t->data_dir); out_done: spin_unlock_irqrestore(&pm8001_ha->lock, flags); -- 2.20.1
