1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 0eb09e104542..42a46078d7d5 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1704,6 +1704,9 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
         struct mlx4_dev *dev = (to_mdev(qp->device))->dev;
         int is_bonded = mlx4_is_bonded(dev);
 
+        if (flow_attr->port < 1 || flow_attr->port > qp->device->phys_port_cnt)
+                return ERR_PTR(-EINVAL);
+
         if ((flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) &&
             (flow_attr->type != IB_FLOW_ATTR_NORMAL))
                 return ERR_PTR(-EOPNOTSUPP);