diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ef10.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef10.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index b63e47af6365..8c019f382a7f 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1297,8 +1297,10 @@ static void efx_ef10_fini_nic(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; + spin_lock_bh(&efx->stats_lock); kfree(nic_data->mc_stats); nic_data->mc_stats = NULL; + spin_unlock_bh(&efx->stats_lock); } static int efx_ef10_init_nic(struct efx_nic *efx) @@ -1852,9 +1854,14 @@ static size_t efx_ef10_update_stats_pf(struct efx_nic *efx, u64 *full_stats, efx_ef10_get_stat_mask(efx, mask); - efx_nic_copy_stats(efx, nic_data->mc_stats); - efx_nic_update_stats(efx_ef10_stat_desc, EF10_STAT_COUNT, - mask, stats, nic_data->mc_stats, false); + /* If NIC was fini'd (probably resetting), then we can't read + * updated stats right now. + */ + if (nic_data->mc_stats) { + efx_nic_copy_stats(efx, nic_data->mc_stats); + efx_nic_update_stats(efx_ef10_stat_desc, EF10_STAT_COUNT, + mask, stats, nic_data->mc_stats, false); + } /* Update derived statistics */ efx_nic_fix_nodesc_drop_stat(efx, |