[PATCH 2/4] pm80xx : Corrected dma_unmap_sg() parameter.

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From: Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx>

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>
---
 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 96b173f..719233c 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -476,7 +476,7 @@ 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);
-- 
1.8.3.1




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