From b323ac19b7734a1c464b2785a082ee50bccd3b91 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 23 Feb 2018 10:06:03 +0100 Subject: mac80211: drop frames with unexpected DS bits from fast-rx to slow path Fixes rx for 4-addr packets in AP mode. These may be used for setting up a 4-addr link for stations that are allowed to do so. Signed-off-by: Felix Fietkau Signed-off-by: Johannes Berg --- net/mac80211/rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index fd580614085b..56fe16b07538 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -3921,7 +3921,7 @@ static bool ieee80211_invoke_fast_rx(struct ieee80211_rx_data *rx, if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) != fast_rx->expected_ds_bits) - goto drop; + return false; /* assign the key to drop unencrypted frames (later) * and strip the IV/MIC if necessary -- cgit v1.2.3