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scsi: propagates the rescan to our child device

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... when registering finds an existing device with a registered child node.
This commit is contained in:
Jérôme Duval 2013-07-16 18:26:30 +02:00
parent a6ffcfb320
commit f08e2e6b2a
1 changed files with 14 additions and 2 deletions
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16
src/add-ons/kernel/bus_managers/scsi/device_scan.cpp
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@ -223,8 +223,20 @@ scsi_scan_lun(scsi_bus_info *bus, uchar target_id, uchar target_lun)
// solution 2: device drivers must scan devices before first use
// disadvantage: it takes time and driver must perform a task that
// the bus_manager should really take care of
scsi_register_device(bus, target_id, target_lun, &new_inquiry_data);
res = scsi_register_device(bus, target_id, target_lun, &new_inquiry_data);
if (res == B_NAME_IN_USE) {
SHOW_FLOW0(3, "name in use");
if (scsi_force_get_device(bus, target_id, target_lun, &device) != B_OK)
return B_OK;
// the device was already registered, let's tell our child to rescan it
device_node *childNode = NULL;
const device_attr attrs[] = { { NULL } };
if (pnp->get_next_child_node(bus->node, attrs, &childNode) == B_OK) {
pnp->rescan_node(childNode);
pnp->put_node(childNode);
}
scsi_put_forced_device(device);
}
return B_OK;
err3: