From 1e429018b646bdf903554e92ead1cda96cc552dc Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Fri, 30 Apr 2010 13:11:30 -0600 Subject: 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 Signed-off-by: Greg Kroah-Hartman --- include/linux/usb.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'include/linux/usb.h') 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); -- cgit v1.2.3