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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: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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1 changed files with 5 additions and 2 deletions
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@ -184,8 +184,6 @@ struct usb_interface {
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struct work_struct reset_ws; /* for resets in atomic context */
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};
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#define to_usb_interface(d) container_of(d, struct usb_interface, dev)
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#define interface_to_usbdev(intf) \
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container_of(intf->dev.parent, struct usb_device, dev)
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static inline void *usb_get_intfdata(struct usb_interface *intf)
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{
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@ -493,6 +491,11 @@ struct usb_device {
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};
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#define to_usb_device(d) container_of(d, struct usb_device, dev)
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static inline struct usb_device *interface_to_usbdev(struct usb_interface *intf)
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{
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return to_usb_device(intf->dev.parent);
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}
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extern struct usb_device *usb_get_dev(struct usb_device *dev);
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extern void usb_put_dev(struct usb_device *dev);
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