commit da8bfb090c2b30af9f3879443355f7eb1d0fe10a
author Alan Stern <stern@rowland.harvard.edu> Wed Mar 28 16:13:28 2012 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Fri Apr 06 13:54:00 2012 -0700
tree 377d67c3c0cc1ad40d7357f821712c4c9ba6c639
parent bcf398537630bf20b4dbe59ba855b69f404c93cf

USB documentation: explain lifetime rules for unlinking URBs

This patch (as1534c) updates the documentation for usb_unlink_urb and
related functions.  It explains that the caller must prevent the URB
being unlinked from getting deallocated while the unlink is taking
place.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>