diff options
Diffstat (limited to 'net/can')
| -rw-r--r-- | net/can/j1939/transport.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index 9b72d118d756..1186326b0f2e 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -1571,6 +1571,8 @@ int j1939_session_activate(struct j1939_session *session) if (active) { j1939_session_put(active); ret = -EAGAIN; + } else if (priv->ndev->reg_state != NETREG_REGISTERED) { + ret = -ENODEV; } else { WARN_ON_ONCE(session->state != J1939_SESSION_NEW); list_add_tail(&session->active_session_list_entry, |