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path: root/drivers/s390/net/claw.c
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Diffstat (limited to 'drivers/s390/net/claw.c')
-rw-r--r--drivers/s390/net/claw.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 30a43cc79e7..d40f7a934f9 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -3,12 +3,12 @@
* ESCON CLAW network driver
*
* Linux for zSeries version
- * Copyright (C) 2002,2005 IBM Corporation
+ * Copyright IBM Corp. 2002, 2009
* Author(s) Original code written by:
- * Kazuo Iimura (iimura@jp.ibm.com)
+ * Kazuo Iimura <iimura@jp.ibm.com>
* Rewritten by
- * Andy Richter (richtera@us.ibm.com)
- * Marc Price (mwprice@us.ibm.com)
+ * Andy Richter <richtera@us.ibm.com>
+ * Marc Price <mwprice@us.ibm.com>
*
* sysfs parms:
* group x.x.rrrr,x.x.wwww
@@ -253,6 +253,11 @@ static void claw_free_wrt_buf(struct net_device *dev);
/* Functions for unpack reads */
static void unpack_read(struct net_device *dev);
+static int claw_pm_prepare(struct ccwgroup_device *gdev)
+{
+ return -EPERM;
+}
+
/* ccwgroup table */
static struct ccwgroup_driver claw_group_driver = {
@@ -264,6 +269,7 @@ static struct ccwgroup_driver claw_group_driver = {
.remove = claw_remove_device,
.set_online = claw_new_device,
.set_offline = claw_shutdown_device,
+ .prepare = claw_pm_prepare,
};
/*
@@ -338,12 +344,6 @@ claw_tx(struct sk_buff *skb, struct net_device *dev)
CLAW_DBF_TEXT(4, trace, "claw_tx");
p_ch=&privptr->channel[WRITE];
- if (skb == NULL) {
- privptr->stats.tx_dropped++;
- privptr->stats.tx_errors++;
- CLAW_DBF_TEXT_(2, trace, "clawtx%d", -EIO);
- return -EIO;
- }
spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags);
rc=claw_hw_tx( skb, dev, 1 );
spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags);