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Driver core: add missing kset uevent

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We get uevents for a bus/class going away, but not one registering.
Add the missing uevent in kset_register(), which will send an
event for a new bus/class. Suppress all unwanted uevents for bus
subdirectories like /bus/*/devices/, /bus/*/drivers/.

Now we get for module usbcore:
  add      /module/usbcore (module)
  add      /bus/usb (bus)
  add      /class/usb_host (class)
  add      /bus/usb/drivers/hub (drivers)
  add      /bus/usb/drivers/usb (drivers)
  remove   /bus/usb/drivers/usb (drivers)
  remove   /bus/usb/drivers/hub (drivers)
  remove   /class/usb_host (class)
  remove   /bus/usb (bus)
  remove   /module/usbcore (module)

instead of:
  add      /module/usbcore (module)
  add      /bus/usb/drivers/hub (drivers)
  add      /bus/usb/drivers/usb (drivers)
  remove   /bus/usb/drivers/usb (drivers)
  remove   /bus/usb/drivers/hub (drivers)
  remove   /class/usb_host (class)
  remove   /bus/usb/drivers (bus)
  remove   /bus/usb/devices (bus)
  remove   /bus/usb (bus)
  remove   /module/usbcore (module)

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kay Sievers 2007-05-26 11:21:36 +02:00 • committed by Greg Kroah-Hartman
parent 4f5c791a85
commit 80f03e349f
2 changed files with 23 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

9
lib/kobject.c
View file

@ -597,10 +597,17 @@ int kset_add(struct kset * k)
int kset_register(struct kset * k)
{
int err;
if (!k)
return -EINVAL;
kset_init(k);
return kset_add(k);
err = kset_add(k);
if (err)
return err;
kobject_uevent(&k->kobj, KOBJ_ADD);
return 0;
}