decnet: Use rcu_barrier() on module unload.

[firefly-linux-kernel-4.4.55.git] / net / decnet / af_decnet.c

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index d351b8db0df5ceac6f6c566bb82cb9a700d78d2a..77d40289653cf0e739e5893e0e053c2145d6156a 100644 (file)
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2413,6 +2413,8 @@ static void __exit decnet_exit(void)
        proc_net_remove(&init_net, "decnet");
 
        proto_unregister(&dn_proto);
+
+       rcu_barrier_bh(); /* Wait for completion of call_rcu_bh()'s */
 }
 module_exit(decnet_exit);
 #endif