diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-07-20 16:08:14 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-07-20 16:08:14 +0800 |
| commit | 1d508e233d21a7848cf54d7d03b40dac2d9ea873 (patch) | |
| tree | eec5222580c4bca752ae35d5cef3842166e6f8c8 /net/ipv4/netfilter/nf_nat_masquerade_ipv4.c | |
| parent | 439863d92fda525a8f3b326a24490e91c70f0496 (diff) | |
| parent | 5880876e94699ce010554f483ccf0009997955ca (diff) | |
Merge remote-tracking branch 'lts/linux-4.1.y' into linux-linaro-lsk-v4.1lsk-v4.1-16.07
Conflicts:
pick up 45d1abd9de arm64: Use PoU cache instr for I/D coherency
in arch/arm64/mm/flush.c
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 c6eb42100e9a..ea91058b5f6f 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); } |