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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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5
include/linux/device.h
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@ -317,6 +317,11 @@ dev_set_drvdata (struct device *dev, void *data)
dev->driver_data = data;
}
static inline int device_is_registered(struct device *dev)
{
return klist_node_attached(&dev->knode_bus);
}
/*
* High level routines for use by the bus drivers
*/