1USB_FIND_INTERFACE(9)            USB Core APIs           USB_FIND_INTERFACE(9)
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NAME

6       usb_find_interface - find usb_interface pointer for driver and device
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SYNOPSIS

9       struct usb_interface * usb_find_interface(struct usb_driver * drv,
10                                                 int minor);
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ARGUMENTS

13       drv
14           the driver whose current configuration is considered
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16       minor
17           the minor number of the desired device
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DESCRIPTION

20       This walks the bus device list and returns a pointer to the interface
21       with the matching minor and driver. Note, this only works for devices
22       that share the USB major number.
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RETURN

25       A pointer to the interface with the matching major and minor.
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28Kernel Hackers Manual 3.10         June 2019             USB_FIND_INTERFACE(9)
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