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

6       usb_free_urb - frees the memory used by a urb when all users of it are
7       finished
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SYNOPSIS

10       void usb_free_urb(struct urb * urb);
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ARGUMENTS

13       urb
14           pointer to the urb to free, may be NULL
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DESCRIPTION

17       Must be called when a user of a urb is finished with it. When the last
18       user of the urb calls this function, the memory of the urb is freed.
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NOTE

21       The transfer buffer associated with the urb is not freed unless the
22       URB_FREE_BUFFER transfer flag is set.
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25Kernel Hackers Manual 3.10         June 2019                   USB_FREE_URB(9)
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