packet: exit_net cleanup check added

Be sure that packet.sklist initialized in net_init hook was return to initial state. Signed-off-by: Vasily Averin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
mrcsosa · Nov 14, 2017 · 669f8f1 · 669f8f1
1 parent ab384b6
commit 669f8f1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
@@ -4560,6 +4560,7 @@ static int __net_init packet_net_init(struct net *net)
 static void __net_exit packet_net_exit(struct net *net)
 {
 	remove_proc_entry("packet", net->proc_net);
+	WARN_ON_ONCE(!hlist_empty(&net->packet.sklist));
 }
 
 static struct pernet_operations packet_net_ops = {