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| author | Kamal Heib <kamalheib1@gmail.com> | 2021-11-17 17:59:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:04:05 +0300 |
| commit | 4a1723367f5e632cf0b40f134bd3cd8aea9d26a8 (patch) | |
| tree | a7ed291747e7c135dc0f7c69519de728f1724973 /drivers/infiniband | |
| parent | 8fe8161c50f4de73d56274a90247e84aba624046 (diff) | |
| download | linux-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')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 3 |
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; |