releases/4.9.70/tipc-fix-memory-leak-in-tipc_accept_from_sock.patch

   1 From foo@baz Thu Dec 14 11:45:58 CET 2017
   2 From: Jon Maloy <jon.maloy@ericsson.com>
   3 Date: Mon, 4 Dec 2017 22:00:20 +0100
   4 Subject: tipc: fix memory leak in tipc_accept_from_sock()
   5
   6 From: Jon Maloy <jon.maloy@ericsson.com>
   7
   8
   9 [ Upstream commit a7d5f107b4978e08eeab599ee7449af34d034053 ]
  10
  11 When the function tipc_accept_from_sock() fails to create an instance of
  12 struct tipc_subscriber it omits to free the already created instance of
  13 struct tipc_conn instance before it returns.
  14
  15 We fix that with this commit.
  16
  17 Reported-by: David S. Miller <davem@davemloft.net>
  18 Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
  19 Signed-off-by: David S. Miller <davem@davemloft.net>
  20 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  21 ---
  22  net/tipc/server.c |    1 +
  23  1 file changed, 1 insertion(+)
  24
  25 --- a/net/tipc/server.c
  26 +++ b/net/tipc/server.c
  27 @@ -313,6 +313,7 @@ static int tipc_accept_from_sock(struct
  28         newcon->usr_data = s->tipc_conn_new(newcon->conid);
  29         if (!newcon->usr_data) {
  30                 sock_release(newsock);
  31 +               conn_put(newcon);
  32                 return -ENOMEM;
  33         }
  34