Hi,
this small piece is missing in my last patch, because I associated
with my kbd hack (but it is related to the io_perm range pseudo devices).
2002-02-28 Marcus Brinkmann <[EMAIL PROTECTED]>
* oskit/ds_routines.c (device_deallocate): Allow DEVICE->com_device
to be NULL for simple pseudo device handlers.
--- oskit/ds_routines.c.old Fri Mar 1 20:15:22 2002
+++ oskit/ds_routines.c Fri Mar 1 20:16:04 2002
@@ -135,19 +135,21 @@
}
simple_unlock (&device->ref_lock);
- assert (device->com_device);
+ if (device->com_device)
+ {
+ simple_lock(&dev_hash_lock);
+ simple_lock(&device->ref_lock);
+ if (--device->ref_count > 0)
+ {
+ simple_unlock (&device->ref_lock);
+ simple_unlock (&dev_hash_lock);
+ return;
+ }
- simple_lock(&dev_hash_lock);
- simple_lock(&device->ref_lock);
- if (--device->ref_count > 0) {
- simple_unlock (&device->ref_lock);
- simple_unlock (&dev_hash_lock);
- return;
- }
-
- dev_hash_remove (device);
- simple_unlock(&device->ref_lock);
- simple_unlock(&dev_hash_lock);
+ dev_hash_remove (device);
+ simple_unlock(&device->ref_lock);
+ simple_unlock(&dev_hash_lock);
+ }
/* Destroy the port. */
ipc_kobject_set (device->port, IKO_NULL, IKOT_NONE);
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