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-rw-r--r--net/ipv4/netfilter/ipt_MASQUERADE.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 7c4e4be7c8b3..3e0b562b2db7 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -125,6 +125,9 @@ static int masq_device_event(struct notifier_block *this,
{
const struct net_device *dev = ptr;
+ if (dev->nd_net != &init_net)
+ return NOTIFY_DONE;
+
if (event == NETDEV_DOWN) {
/* Device was downed. Search entire table for
conntracks which were associated with that device,