diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-04-23 04:02:05 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-04-23 04:02:05 -0300 |
commit | 394569928e2f17dff4ae367ac700048138e318c7 (patch) | |
tree | c789d2a2d107284e78f6c6558267b6984f518581 /net/ipv4/netfilter/nf_nat_masquerade_ipv4.c | |
parent | bdcfd44fb5b5fb8fd660e7f93f1095c507481024 (diff) |
Linux-libre 4.5.2-gnupck-4.5.2-gnu
Diffstat (limited to 'net/ipv4/netfilter/nf_nat_masquerade_ipv4.c')
-rw-r--r-- | net/ipv4/netfilter/nf_nat_masquerade_ipv4.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c b/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c index c6eb42100..ea91058b5 100644 --- a/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c +++ b/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c @@ -108,10 +108,18 @@ static int masq_inet_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct net_device *dev = ((struct in_ifaddr *)ptr)->ifa_dev->dev; + struct in_device *idev = ((struct in_ifaddr *)ptr)->ifa_dev; struct netdev_notifier_info info; - netdev_notifier_info_init(&info, dev); + /* The masq_dev_notifier will catch the case of the device going + * down. So if the inetdev is dead and being destroyed we have + * no work to do. Otherwise this is an individual address removal + * and we have to perform the flush. + */ + if (idev->dead) + return NOTIFY_DONE; + + netdev_notifier_info_init(&info, idev->dev); return masq_device_event(this, event, &info); } |