diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:00:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:00:26 +0200 |
| commit | 198bb971e256e4167e45e7df643c13ea66f67e3a (patch) | |
| tree | 85b8b2bf6cc78bf0e53a2187ed5796f076922334 /net/core | |
| parent | ea71a546706dfdad72462624394e1e472c6bf34f (diff) | |
| parent | 481c5346d0981940ee63037eb53e4e37b0735c10 (diff) | |
Merge branch 'linus' into sched/urgent
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/dev.c | 4 | ||||
| -rw-r--r-- | net/core/net_namespace.c | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 68d8df0992a..c421a1f8f0b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2077,6 +2077,10 @@ int netif_receive_skb(struct sk_buff *skb) rcu_read_lock(); + /* Don't receive packets in an exiting network namespace */ + if (!net_alive(dev_net(skb->dev))) + goto out; + #ifdef CONFIG_NET_CLS_ACT if (skb->tc_verd & TC_NCLS) { skb->tc_verd = CLR_TC_NCLS(skb->tc_verd); diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 72b4c184dd8..7c52fe277b6 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -140,6 +140,9 @@ static void cleanup_net(struct work_struct *work) struct pernet_operations *ops; struct net *net; + /* Be very certain incoming network packets will not find us */ + rcu_barrier(); + net = container_of(work, struct net, work); mutex_lock(&net_mutex); |