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ixgbe: Ensure MAC filter was added before setting MACVLAN

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This patch adds a check to ensure that adding the MAC filter was
successful before setting the MACVLAN.  If it was unsuccessful, propagate
the error.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Tony Nguyen 2017-07-19 15:00:26 -07:00 committed by Jeff Kirsher
parent 34c8c10a76
commit 0e1ff3061c
1 changed files with 6 additions and 3 deletions
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9
drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
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@ -679,8 +679,9 @@ static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf)
static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
int vf, int index, unsigned char *mac_addr)
{
struct list_head *pos;
struct vf_macvlans *entry;
struct list_head *pos;
int retval = 0;
if (index <= 1) {
list_for_each(pos, &adapter->vf_mvs.l) {
@ -721,13 +722,15 @@ static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
if (!entry || !entry->free)
return -ENOSPC;
retval = ixgbe_add_mac_filter(adapter, mac_addr, vf);
if (retval < 0)
return retval;
entry->free = false;
entry->is_macvlan = true;
entry->vf = vf;
memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
ixgbe_add_mac_filter(adapter, mac_addr, vf);
return 0;
}