tipc: fix a missing rhashtable_walk_exit()

rhashtable_walk_exit() must be paired with rhashtable_walk_enter().

Fixes: 40f9f4397060 ("tipc: Fix tipc_sk_reinit race conditions")
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index c1e93c9..c9a50b6 100644 (file)
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -2672,6 +2672,8 @@ void tipc_sk_reinit(struct net *net)
 
                rhashtable_walk_stop(&iter);
        } while (tsk == ERR_PTR(-EAGAIN));
+
+       rhashtable_walk_exit(&iter);
 }
 
 static struct tipc_sock *tipc_sk_lookup(struct net *net, u32 portid)