mac80211: fix purging multicast PS buffer queue
authorFelix Fietkau <nbd@nbd.name>
Tue, 2 Aug 2016 09:13:41 +0000 (11:13 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Fri, 5 Aug 2016 12:06:28 +0000 (14:06 +0200)
commit6b07d9ca9b5363dda959b9582a3fc9c0b89ef3b5
tree49663349758bf02af0075037c8d4ea260a59d42d
parentc37a54ac37e7fbf8abe2b7b886ac5f1b3e8f8d29
mac80211: fix purging multicast PS buffer queue

The code currently assumes that buffered multicast PS frames don't have
a pending ACK frame for tx status reporting.
However, hostapd sends a broadcast deauth frame on teardown for which tx
status is requested. This can lead to the "Have pending ack frames"
warning on module reload.
Fix this by using ieee80211_free_txskb/ieee80211_purge_tx_queue.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/cfg.c
net/mac80211/tx.c