firewire: fw-sbp2: skip unnecessary logout
Don't attempt to send a logout ORB if the target was already unplugged
or had its link switched off. If two targets are attached, this
enhances the chance to quickly reconnect to the remaining target when
one target is plugged out.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Jarod Wilson <jwilson@redhat.com>
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index e5a2571..661a5b6 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -606,13 +606,17 @@
struct sbp2_logical_unit *lu, *next;
struct Scsi_Host *shost =
container_of((void *)tgt, struct Scsi_Host, hostdata[0]);
+ struct fw_device *device = fw_device(tgt->unit->device.parent);
list_for_each_entry_safe(lu, next, &tgt->lu_list, link) {
if (lu->sdev)
scsi_remove_device(lu->sdev);
- sbp2_send_management_orb(lu, tgt->node_id, lu->generation,
- SBP2_LOGOUT_REQUEST, lu->login_id, NULL);
+ if (!fw_device_is_shutdown(device))
+ sbp2_send_management_orb(lu, tgt->node_id,
+ lu->generation, SBP2_LOGOUT_REQUEST,
+ lu->login_id, NULL);
+
fw_core_remove_address_handler(&lu->address_handler);
list_del(&lu->link);
kfree(lu);