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authorDaniel Ritz <daniel.ritz@gmx.ch>2005-09-22 00:47:24 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-22 07:58:24 -0700
commitd305ef5d2a4e77bfa66160513f4a7494126a506b (patch)
treef70f435571fb6c4d520fea0f3c769a2a6df73f84 /drivers/usb/core
parent4c898c7f2f286b204fefc5dddb568f755d195d0c (diff)
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[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 'drivers/usb/core')
-rw-r--r--drivers/usb/core/message.c2
-rw-r--r--drivers/usb/core/usb.c6
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index c47c805..f1fb67f 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -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);
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 087af73..7d13150 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -303,7 +303,7 @@ int usb_driver_claim_interface(struct usb_driver *driver,
/* if interface was already added, bind now; else let
* the future device_add() bind it, bypassing probe()
*/
- if (klist_node_attached(&dev->knode_bus))
+ if (device_is_registered(dev))
device_bind_driver(dev);
return 0;
@@ -336,8 +336,8 @@ void usb_driver_release_interface(struct usb_driver *driver,
if (iface->condition != USB_INTERFACE_BOUND)
return;
- /* release only after device_add() */
- if (klist_node_attached(&dev->knode_bus)) {
+ /* don't release if the interface hasn't been added yet */
+ if (device_is_registered(dev)) {
iface->condition = USB_INTERFACE_UNBINDING;
device_release_driver(dev);
}