From 2a67fcfa0db6b4075515bd23497750849b88850f Mon Sep 17 00:00:00 2001 From: Kamal Heib Date: Wed, 17 Nov 2021 16:59:54 +0200 Subject: RDMA/hns: Validate the pkey index Before query pkey, make sure that the queried index is valid. Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver") Link: https://lore.kernel.org/r/20211117145954.123893-1-kamalheib1@gmail.com Signed-off-by: Kamal Heib Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/hns/hns_roce_main.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') 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; -- cgit v1.2.3-59-g8ed1b