diff options
| author | Patryk Małek <patryk.malek@intel.com> | 2017-12-27 15:32:31 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2018-01-27 00:23:00 +0300 |
| commit | ca6e1d0abe863ac24c437ea407be84acd8aa373b (patch) | |
| tree | abdd72b77e7b17ce810dd5fdd304575a7d404ef9 /drivers/net/ethernet/intel | |
| parent | f34e308b671cbd9293da3bad82efe177822fe93f (diff) | |
| download | linux-ca6e1d0abe863ac24c437ea407be84acd8aa373b.tar.xz | |
i40e: Fix for adding multiple ethtool filters on the same location
This patch reorders i40e_add_del_fdir and i40e_update_ethtool_fdir_entry
calls so that we first remove an already existing filter (inside
i40e_update_ethtool_fdir_entry using i40e_add_del_fdir) and then
we add a new one with i40e_add_del_fdir.
After applying this patch, creating multiple identical filters (with
the same location) one after another doesn't revert their behavior
but behaves correctly.
Signed-off-by: Patryk Małek <patryk.malek@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 34173f821fd9..2cbd564e437a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -3939,19 +3939,19 @@ static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, input->flex_offset = userdef.flex_offset; } - ret = i40e_add_del_fdir(vsi, input, true); - if (ret) - goto free_input; - /* Add the input filter to the fdir_input_list, possibly replacing * a previous filter. Do not free the input structure after adding it * to the list as this would cause a use-after-free bug. */ i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); - + ret = i40e_add_del_fdir(vsi, input, true); + if (ret) + goto remove_sw_rule; return 0; -free_input: +remove_sw_rule: + hlist_del(&input->fdir_node); + pf->fdir_pf_active_filters--; kfree(input); return ret; } |