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

6       usb_get_urb - increments the reference count of the urb
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SYNOPSIS

9       struct urb * usb_get_urb(struct urb * urb);
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ARGUMENTS

12       urb
13           pointer to the urb to modify, may be NULL
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DESCRIPTION

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

21       A pointer to the urb with the incremented reference counter.
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24Kernel Hackers Manual 3.10         June 2019                    USB_GET_URB(9)
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