From: Martin Schwidefsky <schwidefsky@de.ibm.com>

CTC network driver fixes:
 - Fixed some debug messages (did not compile with DEBUG defined).
 - Added sanity checks in ctc_proto_store() & ctc_shutdown_device().
 - Added some bugfixes from 2.4.
 - Tweaked logging.
 - Removed syntax error in pr_debug call.
 - Changed do_IO (not existing any more) to ccw_device in messages.
 - Corrected format failure in pr_debug of channel_get.
 - Add symlinks between net device and ctc device.
 - Add tiocmset/tiocmget API change patch from Russell King
 - Fix locking problem in ctc_tty_cleanup.