diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 8f152f904f70..e7d68ed8aafe 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1545,7 +1545,6 @@ void net_enable_timestamp(void) return; } #endif - WARN_ON(in_interrupt()); static_key_slow_inc(&netstamp_needed); } EXPORT_SYMBOL(net_enable_timestamp); @@ -1625,7 +1624,6 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) } skb_orphan(skb); - nf_reset(skb); if (unlikely(!is_skb_forwardable(dev, skb))) { atomic_long_inc(&dev->rx_dropped); @@ -1641,6 +1639,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) skb->mark = 0; secpath_reset(skb); nf_reset(skb); + nf_reset_trace(skb); return netif_rx(skb); } EXPORT_SYMBOL_GPL(dev_forward_skb); @@ -2219,9 +2218,9 @@ struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb, struct sk_buff *segs = ERR_PTR(-EPROTONOSUPPORT); struct packet_offload *ptype; __be16 type = skb->protocol; + int vlan_depth = ETH_HLEN; while (type == htons(ETH_P_8021Q)) { - int vlan_depth = ETH_HLEN; struct vlan_hdr *vh; if (unlikely(!pskb_may_pull(skb, vlan_depth + VLAN_HLEN))) @@ -3315,6 +3314,7 @@ int netdev_rx_handler_register(struct net_device *dev, if (dev->rx_handler) return -EBUSY; + /* Note: rx_handler_data must be set before rx_handler */ rcu_assign_pointer(dev->rx_handler_data, rx_handler_data); rcu_assign_pointer(dev->rx_handler, rx_handler); @@ -3335,6 +3335,11 @@ void netdev_rx_handler_unregister(struct net_device *dev) ASSERT_RTNL(); RCU_INIT_POINTER(dev->rx_handler, NULL); + /* a reader seeing a non NULL rx_handler in a rcu_read_lock() + * section has a guarantee to see a non NULL rx_handler_data + * as well. + */ + synchronize_net(); RCU_INIT_POINTER(dev->rx_handler_data, NULL); } EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister); @@ -3444,6 +3449,7 @@ ncls: } switch (rx_handler(&skb)) { case RX_HANDLER_CONSUMED: + ret = NET_RX_SUCCESS; goto unlock; case RX_HANDLER_ANOTHER: goto another_round; |
