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i40e: fix the calculation of VFs mac addresses 

num_mac should be increased only after the call to i40e_add_mac_filter().

Fixes: 5f527ba962 ("i40e: Limit the number of MAC and VLAN addresses that can be added for VFs")
Signed-off-by: Zijie Pan <zijie.pan@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Tushar Dave <tushar.n.dave@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Zijie Pan 2017-11-07 12:06:07 -08:00 committed by Jeff Kirsher
parent 3d72aebfc6
commit 34c164de58
1 changed files with 11 additions and 10 deletions
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21
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
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@ -2218,18 +2218,19 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
struct i40e_mac_filter *f;
f = i40e_find_mac(vsi, al->list[i].addr);
if (!f)
if (!f) {
f = i40e_add_mac_filter(vsi, al->list[i].addr);
if (!f) {
dev_err(&pf->pdev->dev,
"Unable to add MAC filter %pM for VF %d\n",
al->list[i].addr, vf->vf_id);
ret = I40E_ERR_PARAM;
spin_unlock_bh(&vsi->mac_filter_hash_lock);
goto error_param;
} else {
vf->num_mac++;
if (!f) {
dev_err(&pf->pdev->dev,
"Unable to add MAC filter %pM for VF %d\n",
al->list[i].addr, vf->vf_id);
ret = I40E_ERR_PARAM;
spin_unlock_bh(&vsi->mac_filter_hash_lock);
goto error_param;
} else {
vf->num_mac++;
}
}
}
spin_unlock_bh(&vsi->mac_filter_hash_lock);