usb/151851: libusb(3) libusb_control_transfer() return value is incorrect

[HIROSHI OOTA]

>Number:         151851
>Category:       usb
>Synopsis:       libusb(3) libusb_control_transfer() return value is incorrect
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Nov 01 01:20:08 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     HIROSHI OOTA
>Release:        9-current
>Organization:
>Environment:
FreeBSD aries 9.0-CURRENT FreeBSD 9.0-CURRENT #102 r214602M: Mon Nov  1 03:06:42 JST 2010     root at localhost  amd64

>Description:
In the libusb(3) man page the return value of libusb_control_transfer is:
> Returns 0 on success
but,  it's returns the number of bytes actually transferred.
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: