dlm: release socket on error

It seems that `sock' allocated by sock_create_kern in
tcp_connect_to_sock() of dlm/fs/lowcomms.c is not released if
dlm_nodeid_to_addr an error.

Acked-by: Christine Caulfield <ccaulfie@redhat.com>
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 637018c891ef..3962262f991a 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -891,8 +891,10 @@ static void tcp_connect_to_sock(struct connection *con)
                 goto out_err;
 
         memset(&saddr, 0, sizeof(saddr));
-        if (dlm_nodeid_to_addr(con->nodeid, &saddr))
+        if (dlm_nodeid_to_addr(con->nodeid, &saddr)) {
+                sock_release(sock);
                 goto out_err;
+        }
 
         sock->sk->sk_user_data = con;
         con->rx_action = receive_from_sock;