summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/usnic
diff options
context:
space:
mode:
authorJason Gunthorpe <jgg@nvidia.com>2020-10-04 02:20:06 +0300
committerJason Gunthorpe <jgg@nvidia.com>2020-10-27 01:27:58 +0300
commit26e990badde40b2fb824bfa3cb9d4288a79584bc (patch)
tree355d49a7b78e7c655941ae63844f56ac5e270d93 /drivers/infiniband/hw/usnic
parent652caba5b5501258a46d4b9279e0dbb6e5d42d75 (diff)
downloadlinux-26e990badde40b2fb824bfa3cb9d4288a79584bc.tar.xz
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/usnic')
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_verbs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 9e961f8ffa10..a89d5816685a 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -557,6 +557,9 @@ int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int status;
usnic_dbg("\n");
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
qp_grp = to_uqp_grp(ibqp);
mutex_lock(&qp_grp->vf->pf->usdev_lock);