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[PATCH] driver core: add helper device_is_registered()

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add the helper and use it instead of open coding the klist_node_attached() check
(which is a layering violation IMHO)

idea by Alan Stern.

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Daniel Ritz
2005-09-22 00:47:24 -07:00
committed by Linus Torvalds
parent 4c898c7f2f
commit d305ef5d2a
4 changed files with 10 additions and 5 deletions
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2
drivers/usb/core/message.c
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@@ -987,7 +987,7 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0)
/* remove this interface if it has been registered */
interface = dev->actconfig->interface[i];
if (!klist_node_attached(&interface->dev.knode_bus))
if (!device_is_registered(&interface->dev))
continue;
dev_dbg (&dev->dev, "unregistering interface %s\n",
interface->dev.bus_id);