diff mbox series

[07/17] netfilter: nf_tables_offload: Check for the NETDEV_UNREGISTER event

Message ID 20191209192638.71184-8-pablo@netfilter.org
State Accepted
Delegated to: David Miller
Headers show
Series [01/17] netfilter: ctnetlink: netns exit must wait for callbacks | expand

Commit Message

Pablo Neira Ayuso Dec. 9, 2019, 7:26 p.m. UTC 
From: wenxu <wenxu@ucloud.cn>

Check for the NETDEV_UNREGISTER event from the nft_offload_netdev_event
function, which is the event that actually triggers the clean up.

Fixes: 06d392cbe3db ("netfilter: nf_tables_offload: remove rules when the device unregisters")
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_tables_offload.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index 68f17a6921d8..d7a35da008ef 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -577,6 +577,9 @@  static int nft_offload_netdev_event(struct notifier_block *this,
 	struct net *net = dev_net(dev);
 	struct nft_chain *chain;
 
+	if (event != NETDEV_UNREGISTER)
+		return NOTIFY_DONE;
+
 	mutex_lock(&net->nft.commit_mutex);
 	chain = __nft_offload_get_chain(dev);
 	if (chain)