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authorMatt Fleming <matt.fleming@intel.com>2013-04-30 14:30:24 +0400
committerMatt Fleming <matt.fleming@intel.com>2013-04-30 14:42:13 +0400
commita614e1923d5389d01f3545ee4a90e39a04d0c90d (patch)
treee8e32dba12a66ffd26d78f015a142ac28e19ad8e /net/core/dev.c
parentf53f292eeaa234615c31a1306babe703fc4263f2 (diff)
parentc1be5a5b1b355d40e6cf79cc979eb66dafa24ad1 (diff)
downloadlinux-a614e1923d5389d01f3545ee4a90e39a04d0c90d.tar.xz
Merge tag 'v3.9' into efi-for-tip2
Resolve conflicts for Ingo. Conflicts: drivers/firmware/Kconfig drivers/firmware/efivars.c Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index b13e5c766c11..b24ab0e98eb4 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);
@@ -2148,6 +2148,9 @@ static void skb_warn_bad_offload(const struct sk_buff *skb)
struct net_device *dev = skb->dev;
const char *driver = "";
+ if (!net_ratelimit())
+ return;
+
if (dev && dev->dev.parent)
driver = dev_driver_string(dev->dev.parent);
@@ -3314,6 +3317,7 @@ 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 +3338,11 @@ 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);