From 00aff3590fc0a73bddd3b743863c14e76fd35c0c Mon Sep 17 00:00:00 2001
From: Hangyu Hua <hbh25y@gmail.com>
Date: Wed, 29 Jun 2022 14:34:18 +0800
Subject: [PATCH] net: tipc: fix possible refcount leak in tipc_sk_create()

Free sk in case tipc_sk_insert() fails.

Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/tipc/socket.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 17f8c52..43509c7 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -502,6 +502,7 @@ static int tipc_sk_create(struct net *net, struct socket *sock,
 	sock_init_data(sock, sk);
 	tipc_set_sk_state(sk, TIPC_OPEN);
 	if (tipc_sk_insert(tsk)) {
+		sk_free(sk);
 		pr_warn("Socket create failed; port number exhausted\n");
 		return -EINVAL;
 	}
-- 
2.7.4