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Commit 3c325ced authored by Jesse Brandeburg's avatar Jesse Brandeburg Committed by David S. Miller
Browse files

i40e: fix null dereference 



If the vsi->tx_rings structure is NULL we don't want to panic.

Change-Id: Ic694f043701738c434e8ebe0caf0673f4410dc10
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: default avatarKavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a3314f3d

drivers/net/ethernet/intel/i40e/i40e_main.c

+3 −0
Original line number Diff line number Diff line
@@ -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;