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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:37:05 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:37:05 -0700 |
| commit | 0d1d392f011b284bb4af0411b2d36e5d04e0f058 (patch) | |
| tree | 081f99182bde3cc8af49b80b4e9df7d95476e8ed /net/core/dev.c | |
| parent | fa180eb448fa263cf18dd930143b515d27d70d7b (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
| download | linux-0d1d392f011b284bb4af0411b2d36e5d04e0f058.tar.gz linux-0d1d392f011b284bb4af0411b2d36e5d04e0f058.tar.bz2 linux-0d1d392f011b284bb4af0411b2d36e5d04e0f058.zip | |
Merge 3.9-rc7 into driver-core-next
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index b13e5c766c11..e7d68ed8aafe 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1624,7 +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); @@ -1640,6 +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); @@ -3314,6 +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); @@ -3334,6 +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); |