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| author | Kamal Heib <kamalheib1@gmail.com> | 2021-11-17 16:59:54 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 08:47:35 +0100 |
| commit | e12ad5f8b70aaa0b8ece8a331bfad677bb45dda7 (patch) | |
| tree | 3e17646071a53f49830ae4ea27472f5b2e67cd18 /drivers/infiniband | |
| parent | faa5a0d2202d8b4279fe77834f694dbac672a83a (diff) | |
| download | linux-e12ad5f8b70aaa0b8ece8a331bfad677bb45dda7.tar.gz linux-e12ad5f8b70aaa0b8ece8a331bfad677bb45dda7.tar.bz2 linux-e12ad5f8b70aaa0b8ece8a331bfad677bb45dda7.zip | |
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 764e35a54457..852aac146ac7 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -475,6 +475,9 @@ static int hns_roce_query_gid(struct ib_device *ib_dev, u8 port_num, int index, static int hns_roce_query_pkey(struct ib_device *ib_dev, u8 port, u16 index, u16 *pkey) { + if (index > 0) + return -EINVAL; + *pkey = PKEY_ID; return 0; |