libertas: stop using ieee80211 for radiotap device
There seems to be no point in doing it as an ieee80211 device instead of
a normal netdev, and when we override its ->priv and then call
free_ieee80211() it has a distressing tendency to crash horribly.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 5c8cb00..55dce8d 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1448,7 +1448,7 @@
static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev)
{
struct lbs_private *priv = dev->priv;
- return &priv->ieee->stats;
+ return &priv->stats;
}
@@ -1457,42 +1457,36 @@
if (priv->rtap_net_dev == NULL)
return;
unregister_netdev(priv->rtap_net_dev);
- free_ieee80211(priv->rtap_net_dev);
+ free_netdev(priv->rtap_net_dev);
priv->rtap_net_dev = NULL;
}
int lbs_add_rtap(struct lbs_private *priv)
{
int rc = 0;
+ struct net_device *rtap_dev;
if (priv->rtap_net_dev)
return -EPERM;
- priv->rtap_net_dev = alloc_ieee80211(0);
- if (priv->rtap_net_dev == NULL)
+ rtap_dev = alloc_netdev(0, "rtap%d", ether_setup);
+ if (rtap_dev == NULL)
return -ENOMEM;
+ rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP;
+ rtap_dev->open = lbs_rtap_open;
+ rtap_dev->stop = lbs_rtap_stop;
+ rtap_dev->get_stats = lbs_rtap_get_stats;
+ rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
+ rtap_dev->set_multicast_list = lbs_set_multicast_list;
+ rtap_dev->priv = priv;
- priv->ieee = netdev_priv(priv->rtap_net_dev);
-
- strcpy(priv->rtap_net_dev->name, "rtap%d");
-
- priv->rtap_net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
- priv->rtap_net_dev->open = lbs_rtap_open;
- priv->rtap_net_dev->stop = lbs_rtap_stop;
- priv->rtap_net_dev->get_stats = lbs_rtap_get_stats;
- priv->rtap_net_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
- priv->rtap_net_dev->set_multicast_list = lbs_set_multicast_list;
- priv->rtap_net_dev->priv = priv;
-
- priv->ieee->iw_mode = IW_MODE_MONITOR;
-
- rc = register_netdev(priv->rtap_net_dev);
+ rc = register_netdev(rtap_dev);
if (rc) {
- free_ieee80211(priv->rtap_net_dev);
- priv->rtap_net_dev = NULL;
+ free_netdev(rtap_dev);
return rc;
}
+ priv->rtap_net_dev = rtap_dev;
return 0;
}