From: Matthew Wilcox <willy@linux.intel.com>
Date: Fri, 30 Apr 2010 19:11:30 +0000 (-0600)
Subject: USB: Turn interface_to_usbdev into an inline function
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1e429018b646bdf903554e92ead1cda96cc552dc;p=openwrt%2Fstaging%2Fblogic.git

USB: Turn interface_to_usbdev into an inline function

The stronger type-checking would have prevented a bug I had.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/include/linux/usb.h b/include/linux/usb.h
index fd7d61e58198..cf3b289a87a2 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -184,8 +184,6 @@ struct usb_interface {
 	struct work_struct reset_ws;	/* for resets in atomic context */
 };
 #define	to_usb_interface(d) container_of(d, struct usb_interface, dev)
-#define	interface_to_usbdev(intf) \
-	container_of(intf->dev.parent, struct usb_device, dev)
 
 static inline void *usb_get_intfdata(struct usb_interface *intf)
 {
@@ -493,6 +491,11 @@ struct usb_device {
 };
 #define	to_usb_device(d) container_of(d, struct usb_device, dev)
 
+static inline struct usb_device *interface_to_usbdev(struct usb_interface *intf)
+{
+	return to_usb_device(intf->dev.parent);
+}
+
 extern struct usb_device *usb_get_dev(struct usb_device *dev);
 extern void usb_put_dev(struct usb_device *dev);