1 files changed, 22 insertions, 13 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 7c6a46f80372..8e726cb47ed7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -749,7 +749,8 @@ EXPORT_SYMBOL(dev_get_by_index);
  *      @ha: hardware address
  *
  *      Search for an interface by MAC address. Returns NULL if the device
- *      is not found or a pointer to the device. The caller must hold RCU
+ *      is not found or a pointer to the device.
+ *      The caller must hold RCU or RTNL.
  *      The returned device has not had its ref count increased
  *      and the caller must therefore be careful about locking
  *
@@ -2562,7 +2563,8 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
 
         map = rcu_dereference(rxqueue->rps_map);
         if (map) {
-                if (map->len == 1) {
+                if (map->len == 1 &&
+                    !rcu_dereference_raw(rxqueue->rps_flow_table)) {
                         tcpu = map->cpus[0];
                         if (cpu_online(tcpu))
                                 cpu = tcpu;
@@ -3423,6 +3425,8 @@ static void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb)
         __skb_pull(skb, skb_headlen(skb));
         skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
         skb->vlan_tci = 0;
+        skb->dev = napi->dev;
+        skb->skb_iif = 0;
 
         napi->skb = skb;
 }
@@ -5656,30 +5660,35 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
 
         dev_net_set(dev, &init_net);
 
+        dev->gso_max_size = GSO_MAX_SIZE;
+
+        INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
+        dev->ethtool_ntuple_list.count = 0;
+        INIT_LIST_HEAD(&dev->napi_list);
+        INIT_LIST_HEAD(&dev->unreg_list);
+        INIT_LIST_HEAD(&dev->link_watch_list);
+        dev->priv_flags = IFF_XMIT_DST_RELEASE;
+        setup(dev);
+
         dev->num_tx_queues = txqs;
         dev->real_num_tx_queues = txqs;
         if (netif_alloc_netdev_queues(dev))
-                goto free_pcpu;
+                goto free_all;
 
 #ifdef CONFIG_RPS
         dev->num_rx_queues = rxqs;
         dev->real_num_rx_queues = rxqs;
         if (netif_alloc_rx_queues(dev))
-                goto free_pcpu;
+                goto free_all;
 #endif
 
-        dev->gso_max_size = GSO_MAX_SIZE;
-
-        INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
-        dev->ethtool_ntuple_list.count = 0;
-        INIT_LIST_HEAD(&dev->napi_list);
-        INIT_LIST_HEAD(&dev->unreg_list);
-        INIT_LIST_HEAD(&dev->link_watch_list);
-        dev->priv_flags = IFF_XMIT_DST_RELEASE;
-        setup(dev);
         strcpy(dev->name, name);
         return dev;
 
+free_all:
+        free_netdev(dev);
+        return NULL;
+
 free_pcpu:
         free_percpu(dev->pcpu_refcnt);
         kfree(dev->_tx);