sunrpc: exit_net cleanup check added

Be sure that all_clients list initialized in net_init hook was return
to initial state.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index c73de181467a..56f9eff74150 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -65,10 +65,13 @@ err_proc:
 
 static __net_exit void sunrpc_exit_net(struct net *net)
 {
+        struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
+
         rpc_pipefs_exit_net(net);
         unix_gid_cache_destroy(net);
         ip_map_cache_destroy(net);
         rpc_proc_exit(net);
+        WARN_ON_ONCE(!list_empty(&sn->all_clients));
 }
 
 static struct pernet_operations sunrpc_net_ops = {