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[v4,15/18] sunrpc: exit_net cleanup check added

Message ID 62a56880-3a6d-481e-7aec-5cf7cd2968e0@virtuozzo.com
State Superseded, archived
Delegated to: David Miller
Headers show
Series exit_net checks for objects initialized in net_init hook | expand

Commit Message

Vasily Averin Nov. 12, 2017, 8:48 a.m. UTC
Be sure that all_clients list initialized in net_init hook was return
to initial state.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
 net/sunrpc/sunrpc_syms.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index c73de18..56f9eff 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -65,10 +65,13 @@  static __net_init int sunrpc_init_net(struct net *net)
 
 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 = {