usb_interface_claimed man page on Oracle

usb_interface_claimed man page on Oracle

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USB_INTERFACE_CLAIME(9) Host-Side Data Types and Macro USB_INTERFACE_CLAIME(9)

NAME
       usb_interface_claimed - returns true iff an interface is claimed

SYNOPSIS
       int usb_interface_claimed(struct usb_interface * iface);

ARGUMENTS
       iface
	   the interface being checked

DESCRIPTION
       Returns true (nonzero) iff the interface is claimed, else false (zero).
       Callers must own the driver model's usb bus readlock. So driver probe
       entries don't need extra locking, but other call contexts may need to
       explicitly claim that lock.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014	       USB_INTERFACE_CLAIME(9)

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