[PATCH] s390: minor s390 network driver fixes

Hi Jeff,
this is a RESEND of the nine s390 network driver patches.
I finally found  that my kmail corrupted almost every patch
I sent the last time. Please apply these 9 patches and forget
about my first attempt! Sorry for the delay, I had some fights
with sendmail, IMAP and mutt configuration.

Frank

[RESEND PATCH 1/9] s390: minor s390 network driver fixes

From: Frank Pavlic <fpavlic@de.ibm.com>
	- iucv driver:
          use do { } while (0) constructs
	  instead of empty defines to avoid compile bugs.
        - ctc driver:
          missing lock initialization added
        - lcs driver:
          BUG_ON usage was removed accidently
	  with the last lcs patch.
          Put them back in place.

Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c
index 0e863df..821dde8 100644
--- a/drivers/s390/net/iucv.c
+++ b/drivers/s390/net/iucv.c
@@ -335,8 +335,8 @@
 
 #else
 
-#define iucv_debug(lvl, fmt, args...)
-#define iucv_dumpit(title, buf, len)
+#define iucv_debug(lvl, fmt, args...)	do { } while (0)
+#define iucv_dumpit(title, buf, len)	do { } while (0)
 
 #endif