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USB_GET_URB(9) USB Core APIs USB_GET_URB(9)

NAME

usb_get_urb - increments the reference count of the urb

SYNOPSIS

struct urb * usb_get_urb(struct urb * urb);

ARGUMENTS

urb
pointer to the urb to modify, may be NULL

DESCRIPTION

This must be called whenever a urb is transferred from a device driver to a host controller driver. This allows proper reference counting to happen for urbs.

RETURN

A pointer to the urb with the incremented reference counter.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.