IB/ehca: Reject receive work requests if QP is in RESET state

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index b799b27102106fa15ffd098266c7b2be07e91b45..dd9bc68f1c7bdd4a99cb41520ef685dd5f452951 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -544,8 +544,16 @@ int ehca_post_recv(struct ib_qp *qp,
                   struct ib_recv_wr *recv_wr,
                   struct ib_recv_wr **bad_recv_wr)
 {
-       return internal_post_recv(container_of(qp, struct ehca_qp, ib_qp),
-                                 qp->device, recv_wr, bad_recv_wr);
+       struct ehca_qp *my_qp = container_of(qp, struct ehca_qp, ib_qp);
+
+       /* Reject WR if QP is in RESET state */
+       if (unlikely(my_qp->state == IB_QPS_RESET)) {
+               ehca_err(qp->device, "Invalid QP state  qp_state=%d qpn=%x",
+                        my_qp->state, qp->qp_num);
+               return -EINVAL;
+       }
+
+       return internal_post_recv(my_qp, qp->device, recv_wr, bad_recv_wr);
 }
 
 int ehca_post_srq_recv(struct ib_srq *srq,