sysfs: fixup some remaining s390 files.

From Arnd Bergmann.

drivers/s390/cio/chsc.c

@@ -616,13 +616,13 @@ chp_status_show(struct device *dev, char *buf)
 
 	switch(chp->state) {
 	case CHP_OFFLINE:
-		return snprintf(buf, count, "n/a\n");
+		return sprintf(buf, "n/a\n");
 	case CHP_LOGICALLY_OFFLINE:
-		return snprintf(buf, count, "logically offline\n");
+		return sprintf(buf, "logically offline\n");
 	case CHP_STANDBY:
-		return snprintf(buf, count, "n/a\n");
+		return sprintf(buf, "n/a\n");
 	case CHP_ONLINE:
-		return snprintf(buf, count, "online\n");
+		return sprintf(buf, "online\n");
 	default:
 		return 0;
 	}

drivers/s390/net/ctcmain.c

@@ -2762,27 +2762,23 @@ ctc_init_netdevice(struct net_device * dev, int alloc_device,
 }
 
 static ssize_t
-ctc_proto_show(struct device *dev, char *buf, size_t count, loff_t off)
+ctc_proto_show(struct device *dev, char *buf)
 {
 	struct ctc_priv *priv;
 
-	if (off)
-		return 0;
 	priv = dev->driver_data;
 	if (!priv)
 		return -ENODEV;
 
-	return snprintf(buf, count, "%d\n", priv->protocol);
+	return sprintf(buf, "%d\n", priv->protocol);
 }
 
 static ssize_t
-ctc_proto_store(struct device *dev, const char *buf, size_t count, loff_t off)
+ctc_proto_store(struct device *dev, const char *buf, size_t count)
 {
 	struct ctc_priv *priv;
 	int value;
 
-	if (off)
-		return 0;
 	priv = dev->driver_data;
 	if (!priv)
 		return -ENODEV;

drivers/s390/net/cu3088.c

@@ -63,8 +63,7 @@ struct device cu3088_root_dev = {
 };
 
 static ssize_t
-group_write(struct device_driver *drv, const char *buf, size_t count,
-	    loff_t off)
+group_write(struct device_driver *drv, const char *buf, size_t count)
 {
 	const char *start, *end;
 	char bus_ids[2][BUS_ID_SIZE], *argv[2];
@@ -72,9 +71,6 @@ group_write(struct device_driver *drv, const char *buf, size_t count,
 	int ret;
 	struct ccwgroup_driver *cdrv;
 
-	if (off)
-		return 0;
-
 	cdrv = to_ccwgroupdrv(drv);
 	if (!cdrv)
 		return -EINVAL;

drivers/s390/net/netiucv.c

@@ -1473,11 +1473,11 @@ txtime_show (struct device *dev, char *buf)
 {
 	netiucv_priv *priv = dev->driver_data;
 	
-	return snprintf(buf, count, "%ld\n", priv->conn->prof.tx_time);
+	return sprintf(buf, "%ld\n", priv->conn->prof.tx_time);
 }
 
 static ssize_t
-txtime_write (struct device *dev, const char *buf)
+txtime_write (struct device *dev, const char *buf, size_t count)
 {
 	netiucv_priv *priv = dev->driver_data;