mac80211: add beacon configuration via cfg80211
This patch implements the cfg80211 hooks for configuring beaconing
on an access point interface in mac80211. While doing so, it fixes
a number of races that could badly crash the machine when the
beacon is changed while being requested by the driver.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index be96aa8..92f1eb2 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -126,7 +126,6 @@
sdata->u.vlan.ap = NULL;
break;
case IEEE80211_IF_TYPE_AP:
- sdata->u.ap.dtim_period = 2;
sdata->u.ap.force_unicast_rateidx = -1;
sdata->u.ap.max_ratectrl_rateidx = -1;
skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
@@ -207,8 +206,7 @@
}
}
- kfree(sdata->u.ap.beacon_head);
- kfree(sdata->u.ap.beacon_tail);
+ kfree(sdata->u.ap.beacon);
while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
local->total_ps_buffered--;