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authorKamal Heib <kamalheib1@gmail.com>2021-11-17 17:59:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-27 13:04:05 +0300
commit4a1723367f5e632cf0b40f134bd3cd8aea9d26a8 (patch)
treea7ed291747e7c135dc0f7c69519de728f1724973 /drivers/infiniband/hw
parent8fe8161c50f4de73d56274a90247e84aba624046 (diff)
downloadlinux-4a1723367f5e632cf0b40f134bd3cd8aea9d26a8.tar.xz
RDMA/hns: Validate the pkey index
[ Upstream commit 2a67fcfa0db6b4075515bd23497750849b88850f ] 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 <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 5d39bd08582a..6012340e6d69 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -269,6 +269,9 @@ 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;