Re: [PATCH for-rc] RDMA/hns: Validate the pkey index

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On Wed, Nov 17, 2021 at 11:45:49AM +0000, Haakon Bugge wrote:
> 
> 
> > On 17 Nov 2021, at 12:10, Kamal Heib <kamalheib1@xxxxxxxxx> wrote:
> > 
> > Before query pkey, make sure that the quered index is valid.
> 
> queried index ?
> 
> Thxs, Håkon
> 

My bad, I'll fix it in v2.

Thanks,
Kamal

> > 
> > Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
> > Signed-off-by: Kamal Heib <kamalheib1@xxxxxxxxx>
> > ---
> > drivers/infiniband/hw/hns/hns_roce_main.c | 3 +++
> > 1 file changed, 3 insertions(+)
> > 
> > diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
> > index 4194b626f3c6..8233bec053ee 100644
> > --- a/drivers/infiniband/hw/hns/hns_roce_main.c
> > +++ b/drivers/infiniband/hw/hns/hns_roce_main.c
> > @@ -270,6 +270,9 @@ static enum rdma_link_layer hns_roce_get_link_layer(struct ib_device *device,
> > static int hns_roce_query_pkey(struct ib_device *ib_dev, u32 port, u16 index,
> > 			       u16 *pkey)
> > {
> > +	if (index > 0)
> > +		return -EINVAL;
> > +
> > 	*pkey = PKEY_ID;
> > 
> > 	return 0;
> > -- 
> > 2.31.1
> > 
> 



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