| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 041/159] scsi: pm80xx: Corrected dma_unmap_sg() parameter | Date | Fri, 22 Nov 2019 11:27:12 +0100 |
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From: Deepak Ukey <deepak.ukey@microchip.com>
[ 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@microchip.com> Signed-off-by: Viswas G <Viswas.G@microchip.com> Acked-by: Jack Wang <jinpu.wang@profitbricks.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 @@ err_out: 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
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