tipc: fix memory leak in tipc_accept_from_sock()

[ Upstream commit a7d5f107b4978e08eeab599ee7449af34d034053 ]

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/tipc/server.c b/net/tipc/server.c
index 3cd6402..f4c1b18 100644 (file)
--- a/net/tipc/server.c
+++ b/net/tipc/server.c
@@ -313,6 +313,7 @@ static int tipc_accept_from_sock(struct tipc_conn *con)
        newcon->usr_data = s->tipc_conn_new(newcon->conid);
        if (!newcon->usr_data) {
                sock_release(newsock);
+               conn_put(newcon);
                return -ENOMEM;
        }