Commit f5369dcf authored by Felix Fietkau's avatar Felix Fietkau Committed by Johannes Berg
Browse files

wifi: mac80211: do not drop packets smaller than the LLC-SNAP header on fast-rx 



Since STP TCN frames are only 7 bytes, the pskb_may_pull call returns an error.
Instead of dropping those packets, bump them back to the slow path for proper
processing.

Fixes: 49ddf8e6 ("mac80211: add fast-rx path")
Reported-by: default avatarChad Monroe <chad.monroe@smartrg.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 6b430f72

net/mac80211/rx.c

+1 −1
Original line number Diff line number Diff line
@@ -4708,7 +4708,7 @@ static bool ieee80211_invoke_fast_rx(struct ieee80211_rx_data *rx, 


	if (!(status->rx_flags & IEEE80211_RX_AMSDU)) {

		if (!pskb_may_pull(skb, snap_offs + sizeof(*payload)))

			goto drop;

			return false;



		payload = (void *)(skb->data + snap_offs);