tree 377d67c3c0cc1ad40d7357f821712c4c9ba6c639
parent bcf398537630bf20b4dbe59ba855b69f404c93cf
author Alan Stern <stern@rowland.harvard.edu> 1332965608 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1333745640 -0700

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>