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authorDaniel Ritz <daniel.ritz@gmx.ch>2005-09-22 03:47:24 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-22 10:58:24 -0400
commitd305ef5d2a4e77bfa66160513f4a7494126a506b (patch)
treef70f435571fb6c4d520fea0f3c769a2a6df73f84 /include/linux/device.h
parent4c898c7f2f286b204fefc5dddb568f755d195d0c (diff)
[PATCH] driver core: add helper device_is_registered()
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>
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 06e5d42f2c7b..95d607a48f06 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -317,6 +317,11 @@ dev_set_drvdata (struct device *dev, void *data)
317 dev->driver_data = data; 317 dev->driver_data = data;
318} 318}
319 319
320static inline int device_is_registered(struct device *dev)
321{
322 return klist_node_attached(&dev->knode_bus);
323}
324
320/* 325/*
321 * High level routines for use by the bus drivers 326 * High level routines for use by the bus drivers
322 */ 327 */