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authorDavid S. Miller <davem@davemloft.net>2011-06-20 22:29:08 -0700
committerDavid S. Miller <davem@davemloft.net>2011-06-20 22:29:08 -0700
commit9f6ec8d697c08963d83880ccd35c13c5ace716ea (patch)
treead8d93cf6fcdd09b86ade09f5fcbbc66cdb1cca2 /net/netfilter/ipvs/ip_vs_conn.c
parent4aa3a715551c93eda32d79bd52042ce500bd5383 (diff)
parent56299378726d5f2ba8d3c8cbbd13cb280ba45e4f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-rxon.c drivers/net/wireless/rtlwifi/pci.c net/netfilter/ipvs/ip_vs_core.c
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_conn.c')
-rw-r--r--net/netfilter/ipvs/ip_vs_conn.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 77c61b0b6d68..12571fb2881c 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);