diff options
author | Jason Gunthorpe <jgg@nvidia.com> | 2020-10-03 20:20:06 -0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-10-26 19:27:58 -0300 |
commit | 26e990badde40b2fb824bfa3cb9d4288a79584bc (patch) | |
tree | 355d49a7b78e7c655941ae63844f56ac5e270d93 /drivers/infiniband/hw/hns/hns_roce_hw_v2.c | |
parent | 652caba5b5501258a46d4b9279e0dbb6e5d42d75 (diff) |
RDMA: Check attr_mask during modify_qp
Each driver should check that it can support the provided attr_mask during
modify_qp. IB_USER_VERBS_EX_CMD_MODIFY_QP was being used to block
modify_qp_ex because the driver didn't check RATE_LIMIT.
Link: https://lore.kernel.org/r/6-v1-caa70ba3d1ab+1436e-ucmd_mask_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v2.c')
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 6d30850696c5..a0b679254a8e 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4757,6 +4757,9 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, unsigned long rq_flag = 0; int ret; + if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS) + return -EOPNOTSUPP; + /* * In v2 engine, software pass context and context mask to hardware * when modifying qp. If software need modify some fields in context, |