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

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

[Frank Pavlic]

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>
---

 drivers/s390/net/ctcmain.c |    3 +++
 drivers/s390/net/iucv.c    |    4 ++--
 drivers/s390/net/lcs.c     |   13 +++++--------
 3 files changed, 10 insertions(+), 10 deletions(-)

d7012f9f15697e7dc7901108401bd8bcea1bd97d
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index 8a4b581..3257c22 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -1714,6 +1714,9 @@ add_channel(struct ccw_device *cdev, enu
 		kfree(ch);
 		return 0;
 	}
+
+	spin_lock_init(&ch->collect_lock);
+
 	fsm_settimer(ch->fsm, &ch->timer);
 	skb_queue_head_init(&ch->io_queue);
 	skb_queue_head_init(&ch->collect_queue);
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 @@ do { \
 
 #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
 
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 2eded55..16ac68c 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -670,9 +670,8 @@ lcs_ready_buffer(struct lcs_channel *cha
 	int index, rc;
 
 	LCS_DBF_TEXT(5, trace, "rdybuff");
-	if (buffer->state != BUF_STATE_LOCKED &&
-	    buffer->state != BUF_STATE_PROCESSED)
-		BUG();
+	BUG_ON(buffer->state != BUF_STATE_LOCKED &&
+	       buffer->state != BUF_STATE_PROCESSED);
 	spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
 	buffer->state = BUF_STATE_READY;
 	index = buffer - channel->iob;
@@ -696,8 +695,7 @@ __lcs_processed_buffer(struct lcs_channe
 	int index, prev, next;
 
 	LCS_DBF_TEXT(5, trace, "prcsbuff");
-	if (buffer->state != BUF_STATE_READY)
-		BUG();
+	BUG_ON(buffer->state != BUF_STATE_READY);
 	buffer->state = BUF_STATE_PROCESSED;
 	index = buffer - channel->iob;
 	prev = (index - 1) & (LCS_NUM_BUFFS - 1);
@@ -729,9 +727,8 @@ lcs_release_buffer(struct lcs_channel *c
 	unsigned long flags;
 
 	LCS_DBF_TEXT(5, trace, "relbuff");
-	if (buffer->state != BUF_STATE_LOCKED &&
-	    buffer->state != BUF_STATE_PROCESSED)
-		BUG();
+	BUG_ON(buffer->state != BUF_STATE_LOCKED &&
+	       buffer->state != BUF_STATE_PROCESSED);
 	spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
 	buffer->state = BUF_STATE_EMPTY;
 	spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
-- 
1.2.4