IB: Return error for unsupported QP creation flags

Fix the usnic and thw qib drivers to err when QP creation flags that
they don't understand are provided.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

2 files changed, 5 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c
index 0cad0c40d742..7fcc150d603c 100644
--- a/drivers/infiniband/hw/qib/qib_qp.c
+++ b/drivers/infiniband/hw/qib/qib_qp.c
@@ -985,7 +985,8 @@ struct ib_qp *qib_create_qp(struct ib_pd *ibpd,
         struct ib_qp *ret;
 
         if (init_attr->cap.max_send_sge > ib_qib_max_sges ||
-            init_attr->cap.max_send_wr > ib_qib_max_qp_wrs) {
+            init_attr->cap.max_send_wr > ib_qib_max_qp_wrs ||
+            init_attr->create_flags) {
                 ret = ERR_PTR(-EINVAL);
                 goto bail;
         }
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index d48d2c0a2e3c..53bd6a2d9cdb 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -466,6 +466,9 @@ struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
         ucontext = to_uucontext(pd->uobject->context);
         us_ibdev = to_usdev(pd->device);
 
+        if (init_attr->create_flags)
+                return ERR_PTR(-EINVAL);
+
         err = ib_copy_from_udata(&cmd, udata, sizeof(cmd));
         if (err) {
                 usnic_err("%s: cannot copy udata for create_qp\n",