On Wed, Sep 5, 2018 at 7:47 AM Viswas G <Viswas.G@xxxxxxxxxxxxx> wrote: > > 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 > Acked-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx> Thanks, -- Jack Wang Linux Kernel Developer ProfitBricks GmbH Greifswalder Str. 207 D - 10405 Berlin Tel: +49 30 577 008 042 Fax: +49 30 577 008 299 Email: jinpu.wang@xxxxxxxxxxxxxxxx URL: https://www.profitbricks.de Sitz der Gesellschaft: Berlin Registergericht: Amtsgericht Charlottenburg, HRB 125506 B Geschäftsführer: Achim Weiss, Matthias Steinberg, Christoph Steffens