i40e: Fix race condition while adding/deleting MAC/VLAN filters
authorJedrzej Jagielski <jedrzej.jagielski@intel.com>
Fri, 14 Jan 2022 13:19:31 +0000 (13:19 +0000)
committerTony Nguyen <anthony.l.nguyen@intel.com>
Thu, 3 Feb 2022 21:16:20 +0000 (13:16 -0800)
commit53a9e346e159f80313ff0b0c45b91cc3552cc690
tree0fcc3c05e9131fe2a35a55ccd0dedf2362ff36dc
parentb3237df9e7c8a94ca266c533dd98c4c145e9b787
i40e: Fix race condition while adding/deleting MAC/VLAN filters

There was a race condition in access to hw->aq.asq_last_status
while adding and deleting  MAC/VLAN filters causing
incorrect error status to be printed as ERROR OK instead of
the correct error.

Change calls to i40e_aq_add_macvlan in i40e_aqc_add_filters
and i40e_aq_remove_macvlan in i40e_aqc_del_filters
to  _v2 versions that return Admin Queue status on the stack
to avoid race conditions in access to hw->aq.asq_last_status.

Signed-off-by: Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
drivers/net/ethernet/intel/i40e/i40e_main.c