phonet: exit_net cleanup check added

Be sure that pndevs.list 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]>
CarlFK · Nov 14, 2017 · ae61e8c · ae61e8c
1 parent 1e7af3b
commit ae61e8c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
@@ -331,7 +331,10 @@ static int __net_init phonet_init_net(struct net *net)
 
 static void __net_exit phonet_exit_net(struct net *net)
 {
+	struct phonet_net *pnn = phonet_pernet(net);
+
 	remove_proc_entry("phonet", net->proc_net);
+	WARN_ON_ONCE(!list_empty(&pnn->pndevs.list));
 }
 
 static struct pernet_operations phonet_net_ops = {