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authorZijie Pan <zijie.pan@6wind.com>2017-11-07 21:06:07 +0100
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2017-11-22 08:32:21 +0100
commit34c164de5867659f9162ae4fc9030b940bd40aaa (patch)
tree047c5491fd77ab015b69039b48d2f1be1cfb3f58 /drivers/net
parenti40e: Fix for NUP NVM image downgrade failure (diff)
downloadlinux-34c164de5867659f9162ae4fc9030b940bd40aaa.tar.xz
linux-34c164de5867659f9162ae4fc9030b940bd40aaa.zip
i40e: fix the calculation of VFs mac addresses
num_mac should be increased only after the call to i40e_add_mac_filter(). Fixes: 5f527ba962e2 ("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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index f8a794b72462..a3dc9b932946 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -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);