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Commit 1e429018 authored by Matthew Wilcox's avatar Matthew Wilcox Committed by Greg Kroah-Hartman
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USB: Turn interface_to_usbdev into an inline function 



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

Signed-off-by: default avatarMatthew Wilcox <willy@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent fe54b058

include/linux/usb.h

+5 −2
Original line number Diff line number Diff line
@@ -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);