netdev - [Patch net] tipc: fix a missing rhashtable_walk

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Date:   Thu, 23 Aug 2018 16:19:44 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     netdev@...r.kernel.org
Cc:     Cong Wang <xiyou.wangcong@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Ying Xue <ying.xue@...driver.com>
Subject: [Patch net] 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@...dor.apana.org.au>
Cc: Ying Xue <ying.xue@...driver.com>
Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
---
 net/tipc/socket.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index c1e93c9515bc..c9a50b62c738 100644
--- 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)
-- 
2.14.4