aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/ulp/ipoib/ipoib_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 3cfb682b91b0..752581a8627b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1892,8 +1892,15 @@ static void ipoib_child_init(struct net_device *ndev)
priv->max_ib_mtu = ppriv->max_ib_mtu;
set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags);
- memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, INFINIBAND_ALEN);
- memcpy(&priv->local_gid, &ppriv->local_gid, sizeof(priv->local_gid));
+ if (memchr_inv(priv->dev->dev_addr, 0, INFINIBAND_ALEN))
+ memcpy(&priv->local_gid, priv->dev->dev_addr + 4,
+ sizeof(priv->local_gid));
+ else {
+ memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr,
+ INFINIBAND_ALEN);
+ memcpy(&priv->local_gid, &ppriv->local_gid,
+ sizeof(priv->local_gid));
+ }
}
static int ipoib_ndo_init(struct net_device *ndev)
@@ -1976,6 +1983,8 @@ static void ipoib_ndo_uninit(struct net_device *dev)
/* no more works over the priv->wq */
if (priv->wq) {
+ /* See ipoib_mcast_carrier_on_task() */
+ WARN_ON(test_bit(IPOIB_FLAG_OPER_UP, &priv->flags));
flush_workqueue(priv->wq);
destroy_workqueue(priv->wq);
priv->wq = NULL;