i40e: fix null dereference

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / drivers / net / ethernet / intel / i40e / i40e_main.c

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index be15938..12b0932 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -354,6 +354,9 @@ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
        struct rtnl_link_stats64 *vsi_stats = i40e_get_vsi_stats_struct(vsi);
        int i;
 
+       if (!vsi->tx_rings)
+               return stats;
+
        rcu_read_lock();
        for (i = 0; i < vsi->num_queue_pairs; i++) {
                struct i40e_ring *tx_ring, *rx_ring;