1USB_INTERFACE_CLAIME(9) Host-Side Data Types and Macro USB_INTERFACE_CLAIME(9)
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6 usb_interface_claimed - returns true iff an interface is claimed
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9 int usb_interface_claimed(struct usb_interface * iface);
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12 iface
13 the interface being checked
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16 true (nonzero) iff the interface is claimed, else false (zero).
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19 Callers must own the driver model's usb bus readlock. So driver probe
20 entries don't need extra locking, but other call contexts may need to
21 explicitly claim that lock.
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24Kernel Hackers Manual 3.10 June 2019 USB_INTERFACE_CLAIME(9)