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| author |   Kamal Heib <kamalheib1@gmail.com> | 2021-11-17 16:59:54 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-11-17 16:52:18 -0400 |
| commit | 2a67fcfa0db6b4075515bd23497750849b88850f (patch) | |
| tree | ddb07c157175a73198bae03d00b0455f15d436a7 /drivers/infiniband/hw/hns | |
| parent | RDMA/ocrdma: Use helper function to set GUIDs (diff) | |
| download | linux-dev-2a67fcfa0db6b4075515bd23497750849b88850f.tar.xz linux-dev-2a67fcfa0db6b4075515bd23497750849b88850f.zip | |
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 <kamalheib1@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -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 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; |