RDMA/rxe: Add check for supported QP types

Current rdma_rxe only supports five QP types, attempting to create any
others should return an error - the type check was missed.

Link: https://lore.kernel.org/r/20201216071755.149449-2-yangx.jy@cn.fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index 656a5b4..65c8df8 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -62,6 +62,17 @@ int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init)
        struct rxe_port *port;
        int port_num = init->port_num;
 
+       switch(init->qp_type) {
+       case IB_QPT_SMI:
+       case IB_QPT_GSI:
+       case IB_QPT_RC:
+       case IB_QPT_UC:
+       case IB_QPT_UD:
+               break;
+       default:
+               return -EOPNOTSUPP;
+       }
+
        if (!init->recv_cq || !init->send_cq) {
                pr_warn("missing cq\n");
                goto err1;