mac80211: fix WPA with VLAN on AP side with ps-sta
authorMichael Braun <michael-dev@fami-braun.de>
Wed, 13 Feb 2013 15:49:16 +0000 (16:49 +0100)
committerJohannes Berg <johannes.berg@intel.com>
Fri, 15 Feb 2013 08:41:08 +0000 (09:41 +0100)
When sending a broadcast while at least on of the connected stations is
sleeping, it gets queued and send after a DTIM beacon is sent.
If the packet was to be sent on a vlan interface, the vif used for dequeing
from the per-bss queue does not hold the per-vlan sdata. The correct sdata is
required to use the correct per-vlan broadcast/multicast key.

This patch fixes this by restoring the per-vlan sdata using the skb->dev entry.

Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/tx.c

index f476aa6a771d7feb8ac54faba8404f30265f604d..71385bfc15d6ff4f045ffb6f0b3ac236ff289f85 100644 (file)
@@ -2785,6 +2785,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
                                cpu_to_le16(IEEE80211_FCTL_MOREDATA);
                }
 
+               sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev);
                if (!ieee80211_tx_prepare(sdata, &tx, skb))
                        break;
                dev_kfree_skb_any(skb);