Since my commit 8252bbb1363b7fe963a3eb6f8a36da619a6f5a65 in 2.6.20-rc1,
host devices have a dummy driver attached.  Alas the driver was not
registered before use if ieee1394 was loaded with disable_nodemgr=1.

Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
---

Update:  - work without extern variables,
         - better error checks,
         - add missing driver_unregister.

 drivers/ieee1394/nodemgr.c |   26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

Index: linux-2.6.20-rc5/drivers/ieee1394/nodemgr.c
===================================================================
--- linux-2.6.20-rc5.orig/drivers/ieee1394/nodemgr.c
+++ linux-2.6.20-rc5/drivers/ieee1394/nodemgr.c
@@ -258,7 +258,6 @@ static struct device_driver nodemgr_mid_
 struct device nodemgr_dev_template_host = {
        .bus            = &ieee1394_bus_type,
        .release        = nodemgr_release_host,
-       .driver         = &nodemgr_mid_layer_driver,
 };
 
 
@@ -1850,22 +1849,33 @@ int init_ieee1394_nodemgr(void)
 
        error = class_register(&nodemgr_ne_class);
        if (error)
-               return error;
-
+               goto fail_ne;
        error = class_register(&nodemgr_ud_class);
-       if (error) {
-               class_unregister(&nodemgr_ne_class);
-               return error;
-       }
+       if (error)
+               goto fail_ud;
+
+       /* don't show this driver if nodemgr is off (disable_nodmgr=1) */
+       nodemgr_dev_template_host.driver = &nodemgr_mid_layer_driver;
+
        error = driver_register(&nodemgr_mid_layer_driver);
+       if (error)
+               goto fail_ml;
+
        hpsb_register_highlevel(&nodemgr_highlevel);
        return 0;
+
+fail_ml:
+       class_unregister(&nodemgr_ud_class);
+fail_ud:
+       class_unregister(&nodemgr_ne_class);
+fail_ne:
+       return error;
 }
 
 void cleanup_ieee1394_nodemgr(void)
 {
        hpsb_unregister_highlevel(&nodemgr_highlevel);
-
+       driver_unregister(&nodemgr_mid_layer_driver);
        class_unregister(&nodemgr_ud_class);
        class_unregister(&nodemgr_ne_class);
 }


-- 
Stefan Richter
-=====-=-=== --=- --==-
http://arcgraph.de/sr/

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