scsi: pm80xx: Corrected dma_unmap_sg() parameter
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>
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@ -488,7 +488,7 @@ static int pm8001_task_exec(struct sas_task *task,
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dev_printk(KERN_ERR, pm8001_ha->dev, "pm8001 exec failed[%d]!\n", rc);
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if (!sas_protocol_ata(t->task_proto))
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if (n_elem)
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dma_unmap_sg(pm8001_ha->dev, t->scatter, n_elem,
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dma_unmap_sg(pm8001_ha->dev, t->scatter, t->num_scatter,
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t->data_dir);
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out_done:
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spin_unlock_irqrestore(&pm8001_ha->lock, flags);
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