| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 138/329] mac80211: drop frames with unexpected DS bits from fast-rx to slow path | Date | Mon, 28 May 2018 12:01:07 +0200 |
| |
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Felix Fietkau <nbd@nbd.name>
[ Upstream commit b323ac19b7734a1c464b2785a082ee50bccd3b91 ]
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 <nbd@nbd.name> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/mac80211/rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -3907,7 +3907,7 @@ static bool ieee80211_invoke_fast_rx(str 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
|