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authorPatrick McHardy <kaber@trash.net>2011-06-16 17:09:54 +0200
committerPatrick McHardy <kaber@trash.net>2011-06-16 17:09:54 +0200
commit122c4f10f7b66f9c7a0177de668e9662b0b14a05 (patch)
treec30c5b546651fb97eb7ce1867e24091fadf28447 /net
parent264524d5e5195f6e0f099bee20253a22b651e272 (diff)
parent8f4e0a18682d91abfad72ede3d3cb5f3ebdf54b4 (diff)
downloadlinux-122c4f10f7b66f9c7a0177de668e9662b0b14a05.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-2.6
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/ipvs/ip_vs_conn.c10
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c1
2 files changed, 10 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index bf28ac2fc99b..782db275ac53 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -776,8 +776,16 @@ static void ip_vs_conn_expire(unsigned long data)
if (cp->control)
ip_vs_control_del(cp);
- if (cp->flags & IP_VS_CONN_F_NFCT)
+ if (cp->flags & IP_VS_CONN_F_NFCT) {
ip_vs_conn_drop_conntrack(cp);
+ /* Do not access conntracks during subsys cleanup
+ * because nf_conntrack_find_get can not be used after
+ * conntrack cleanup for the net.
+ */
+ smp_rmb();
+ if (ipvs->enable)
+ ip_vs_conn_drop_conntrack(cp);
+ }
ip_vs_pe_put(cp->pe);
kfree(cp->pe_data);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 55af2242bccd..24c28d238dcb 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1945,6 +1945,7 @@ static void __net_exit __ip_vs_dev_cleanup(struct net *net)
{
EnterFunction(2);
net_ipvs(net)->enable = 0; /* Disable packet reception */
+ smp_wmb();
__ip_vs_sync_cleanup(net);
LeaveFunction(2);
}