USB: race fixes for usb-serial, step 2

- take BKL before looking up a driver to associate with a device to make
  sure the module is not unloaded after looking up but before association
  & bumping module count

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum 2007-01-13 07:31:27 +01:00 committed by Greg Kroah-Hartman
commit 4b10f0f3a0