[PATCH] s390: qeth driver cleanups

[patch 3/6] s390: qeth driver cleanups

From: Ursula Braun <braunu@de.ibm.com>
	- code analyzing tool BEAM has found some unreachable
	  and unnecessary statements and also conditions
	  which are always true.
	- removed some useless MII code since OSA card will never
	  allow to set such values.

Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>

diffstat:
 qeth_main.c |   49 ++++---------------------------------------------
 qeth_proc.c |   18 +++++++++---------
 qeth_sys.c  |    2 +-
 3 files changed, 14 insertions(+), 55 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c
index c1831f5..f2a076a 100644
--- a/drivers/s390/net/qeth_sys.c
+++ b/drivers/s390/net/qeth_sys.c
@@ -115,7 +115,7 @@
 		return -EPERM;
 
 	portno = simple_strtoul(buf, &tmp, 16);
-	if ((portno < 0) || (portno > MAX_PORTNO)){
+	if (portno > MAX_PORTNO){
 		PRINT_WARN("portno 0x%X is out of range\n", portno);
 		return -EINVAL;
 	}