Commit 2a67fcfa authored by Kamal Heib's avatar Kamal Heib Committed by Jason Gunthorpe
Browse files

RDMA/hns: Validate the pkey index 

Before query pkey, make sure that the queried index is valid.

Fixes: 9a443537 ("IB/hns: Add driver files for hns RoCE driver")
Link: https://lore.kernel.org/r/20211117145954.123893-1-kamalheib1@gmail.com


Signed-off-by: default avatarKamal Heib <kamalheib1@gmail.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 679f2b75

drivers/infiniband/hw/hns/hns_roce_main.c

+3 −0
Original line number Diff line number Diff line
@@ -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;