net/mlx5: fix meter color register consideration

[dpdk.git] / drivers / net / mlx5 / mlx5_flow.c

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 01376f3..08c7cdf 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -442,6 +442,10 @@ mlx5_flow_get_reg_id(struct rte_eth_dev *dev,
                 */
                if (skip_mtr_reg && config->flow_mreg_c
                    [id + start_reg - REG_C_0] >= priv->mtr_color_reg) {
+                       if (id >= (REG_C_7 - start_reg))
+                               return rte_flow_error_set(error, EINVAL,
+                                                      RTE_FLOW_ERROR_TYPE_ITEM,
+                                                       NULL, "invalid tag id");
                        if (config->flow_mreg_c
                            [id + 1 + start_reg - REG_C_0] != REG_NONE)
                                return config->flow_mreg_c