e1000: don't strip vlan ID if 8021q claims it

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 5098dd7df7cd..593bfbeef8d4 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1344,8 +1344,12 @@ e1000_close(struct net_device *netdev)
         e1000_free_all_tx_resources(adapter);
         e1000_free_all_rx_resources(adapter);
 
+        /* kill manageability vlan ID if supported, but not if a vlan with
+         * the same ID is registered on the host OS (let 8021q kill it) */
         if ((adapter->hw.mng_cookie.status &
-                          E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
+                          E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
+             !(adapter->vlgrp &&
+                          adapter->vlgrp->vlan_devices[adapter->mng_vlan_id])) {
                 e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
         }