Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       usb_sg_cancel - stop scatter/gather i/o issued by usb_sg_wait

SYNOPSIS

       void usb_sg_cancel  (struct usb_sg_request * io);

ARGUMENTS

       io     request block, initialized with usb_sg_init

DESCRIPTION

       This  stops  a request after it has been started by usb_sg_wait. It can
       also prevents one initialized by usb_sg_init  from  starting,  so  that
       call just frees resources allocated to the request.