Commit 051a41fa authored by Johannes Berg's avatar Johannes Berg

mac80211: don't attempt to reorder multicast frames

Multicast frames can't be transmitted as part of an aggregation
session (such a session couldn't even be set up) so don't try to
reorder them. Trying to do so would cause the reorder to stop
working correctly since multicast QoS frames (as transmitted by
the Aruba APs this was found with) would cause sequence number
confusion in the buffer.

Reported-by: default avatarBlaise Gassend <>
Signed-off-by: default avatarJohannes Berg <>
parent 9f16d84a
......@@ -911,7 +911,8 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
u16 sc;
u8 tid, ack_policy;
if (!ieee80211_is_data_qos(hdr->frame_control))
if (!ieee80211_is_data_qos(hdr->frame_control) ||
goto dont_reorder;
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