diff options
Diffstat (limited to 'drivers/firewire/fw-sbp2.c')
| -rw-r--r-- | drivers/firewire/fw-sbp2.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 914170bb50a8..80ab65161750 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -710,6 +710,11 @@ static void sbp2_login(struct work_struct *work) node_id = device->node_id; local_node_id = device->card->node_id; + /* If this is a re-login attempt, log out, or we might be rejected. */ + if (lu->sdev) + sbp2_send_management_orb(lu, device->node_id, generation, + SBP2_LOGOUT_REQUEST, lu->login_id, NULL); + if (sbp2_send_management_orb(lu, node_id, generation, SBP2_LOGIN_REQUEST, lu->lun, &response) < 0) { if (lu->retries++ < 5) @@ -997,9 +1002,17 @@ static void sbp2_reconnect(struct work_struct *work) if (sbp2_send_management_orb(lu, node_id, generation, SBP2_RECONNECT_REQUEST, lu->login_id, NULL) < 0) { - if (lu->retries++ >= 5) { + /* + * If reconnect was impossible even though we are in the + * current generation, fall back and try to log in again. + * + * We could check for "Function rejected" status, but + * looking at the bus generation as simpler and more general. + */ + smp_rmb(); /* get current card generation */ + if (generation == device->card->generation || + lu->retries++ >= 5) { fw_error("%s: failed to reconnect\n", tgt->bus_id); - /* Fall back and try to log in again. */ lu->retries = 0; PREPARE_DELAYED_WORK(&lu->work, sbp2_login); } |