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| 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/vmw_pvrdma/pvrdma_qp.c | |
| parent | 652caba5b5501258a46d4b9279e0dbb6e5d42d75 (diff) | |
| download | lwn-26e990badde40b2fb824bfa3cb9d4288a79584bc.tar.gz lwn-26e990badde40b2fb824bfa3cb9d4288a79584bc.zip | |
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/vmw_pvrdma/pvrdma_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c index 428256c55065..9fdec5b9553c 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c @@ -544,6 +544,9 @@ int pvrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, enum ib_qp_state cur_state, next_state; int ret; + if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS) + return -EOPNOTSUPP; + /* Sanity checking. Should need lock here */ mutex_lock(&qp->mutex); cur_state = (attr_mask & IB_QP_CUR_STATE) ? attr->cur_qp_state : |