From: Jon Maloy <jon.maloy@ericsson.com>
Date: Mon, 4 Dec 2017 22:00:20 +0100
Subject: tipc: fix memory leak in tipc_accept_from_sock()
Git-commit: a7d5f107b4978e08eeab599ee7449af34d034053
Patch-mainline: v4.15-rc3
References: networking-stable-17_12_12

When the function tipc_accept_from_sock() fails to create an instance of
struct tipc_subscriber it omits to free the already created instance of
struct tipc_conn instance before it returns.

We fix that with this commit.

Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 net/tipc/server.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/tipc/server.c
+++ b/net/tipc/server.c
@@ -313,6 +313,7 @@ static int tipc_accept_from_sock(struct
 	newcon->usr_data = s->tipc_conn_new(newcon->conid);
 	if (!newcon->usr_data) {
 		sock_release(newsock);
+		conn_put(newcon);
 		return -ENOMEM;
 	}