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authorLinus Torvalds <torvalds@linux-foundation.org>2008-06-21 08:44:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-06-21 08:44:08 -0700
commita19214430d27a3af6f1672ec26f3c893ef899ede (patch)
treeecd998eaf216f6e195c65cb050f4335db86b26f6 /net/core/net_namespace.c
parentb732d9680b7a2968823851f1163507ad9c45c8cb (diff)
parentb9f75f45a6b46a0ab4eb0857d437a0845871f314 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: netns: Don't receive new packets in a dead network namespace. sctp: Make sure N * sizeof(union sctp_addr) does not overflow. pppoe: warning fix ipv6: Drop packets for loopback address from outside of the box. ipv6: Remove options header when setsockopt's optlen is 0 mac80211: detect driver tx bugs
Diffstat (limited to 'net/core/net_namespace.c')
-rw-r--r--net/core/net_namespace.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 72b4c184dd84..7c52fe277b62 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);