ppp: exit_net cleanup checks added

Be sure that lists initialized in net_init hook were return to initial state. Signed-off-by: Vasily Averin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
thomasl · Nov 14, 2017 · e667500 · e667500
1 parent ae61e8c
commit e667500
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
@@ -962,6 +962,8 @@ static __net_exit void ppp_exit_net(struct net *net)
 
 	mutex_destroy(&pn->all_ppp_mutex);
 	idr_destroy(&pn->units_idr);
+	WARN_ON_ONCE(!list_empty(&pn->all_channels));
+	WARN_ON_ONCE(!list_empty(&pn->new_channels));
 }
 
 static struct pernet_operations ppp_net_ops = {