This patch (as668) fixes a typo in net2280.  The handler for 0-length
control-IN requests should check that the endpoint _isn't_ halted before
sending a 0-length packet.
Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>