wireless: Create 'device' symlink in sysfs

Some network interfaces of the wireless drivers lack the 'device'
symlink in sysfs.
This patch lets the drivers create the links.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index efb7444..4e1c690 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2668,6 +2668,7 @@
 	dev->irq = ethdev->irq;
 	dev->base_addr = ethdev->base_addr;
 	dev->wireless_data = ethdev->wireless_data;
+	SET_NETDEV_DEV(dev, ethdev->dev.parent);
 	memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
 	err = register_netdev(dev);
 	if (err<0) {
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index fa87c5c..d74c061 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -11584,6 +11584,7 @@
 	priv->prom_net_dev->hard_start_xmit = ipw_prom_hard_start_xmit;
 
 	priv->prom_priv->ieee->iw_mode = IW_MODE_MONITOR;
+	SET_NETDEV_DEV(priv->prom_net_dev, &priv->pci_dev->dev);
 
 	rc = register_netdev(priv->prom_net_dev);
 	if (rc) {
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index bb08f0b..e1f0660 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1565,6 +1565,7 @@
 	rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
 	rtap_dev->set_multicast_list = lbs_set_multicast_list;
 	rtap_dev->priv = priv;
+	SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent);
 
 	ret = register_netdev(rtap_dev);
 	if (ret) {