1 files changed, 13 insertions, 2 deletions

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 574daddc21bf..e1a4f8214239 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -346,7 +346,7 @@ void can_restart(unsigned long data)
         skb = dev_alloc_skb(sizeof(struct can_frame));
         if (skb == NULL) {
                 err = -ENOMEM;
-                goto out;
+                goto restart;
         }
         skb->dev = dev;
         skb->protocol = htons(ETH_P_CAN);
@@ -361,13 +361,13 @@ void can_restart(unsigned long data)
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
 
+restart:
         dev_dbg(dev->dev.parent, "restarted\n");
         priv->can_stats.restarts++;
 
         /* Now restart the device */
         err = priv->do_set_mode(dev, CAN_MODE_START);
 
-out:
         netif_carrier_on(dev);
         if (err)
                 dev_err(dev->dev.parent, "Error %d during restart", err);
@@ -473,6 +473,10 @@ int open_candev(struct net_device *dev)
                 return -EINVAL;
         }
 
+        /* Switch carrier on if device was stopped while in bus-off state */
+        if (!netif_carrier_ok(dev))
+                netif_carrier_on(dev);
+
         setup_timer(&priv->restart_timer, can_restart, (unsigned long)dev);
 
         return 0;
@@ -607,11 +611,18 @@ nla_put_failure:
         return -EMSGSIZE;
 }
 
+static int can_newlink(struct net_device *dev,
+                       struct nlattr *tb[], struct nlattr *data[])
+{
+        return -EOPNOTSUPP;
+}
+
 static struct rtnl_link_ops can_link_ops __read_mostly = {
         .kind           = "can",
         .maxtype        = IFLA_CAN_MAX,
         .policy         = can_policy,
         .setup          = can_setup,
+        .newlink        = can_newlink,
         .changelink     = can_changelink,
         .fill_info      = can_fill_info,
         .fill_xstats    = can_fill_xstats,