If the string descriptor fetch works, no problem.  Else
make the disconnect() logic -- newly called because of
"recent" changes to interface claiming logic -- use its
fast cleanup path, since we're still not fully set up yet.

Should resolve OSDL bugid 2714; please merge.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>