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authorMichael Liang <mliang@qca.qualcomm.com>2012-04-20 17:11:57 +0800
committerJohn W. Linville <linville@tuxdriver.com>2012-04-23 15:35:33 -0400
commit2a5783b817c90ce6fb82a21e103335d1ecbac430 (patch)
tree2b355c1bb499d9e973152e1d0b2f105493e6c0fc /drivers/net
parente0602750ab028780962a1e4bb3f3705433a18c97 (diff)
ath9k: don't strip mic on non-encrypted frames in tkip
Fix the following bug: in tkip mode, qos-null ps on/off packets are dropped due to incorrect packet length so that ath9k softap can't handle powersave state transition of peer STA correctly. Signed-off-by: Michael Liang <mliang@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 12b09798864..544e5490ca2 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -812,6 +812,7 @@ static bool ath9k_rx_accept(struct ath_common *common,
is_valid_tkip = rx_stats->rs_keyix != ATH9K_RXKEYIX_INVALID &&
test_bit(rx_stats->rs_keyix, common->tkip_keymap);
strip_mic = is_valid_tkip && ieee80211_is_data(fc) &&
+ ieee80211_has_protected(fc) &&
!(rx_stats->rs_status &
(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_CRC | ATH9K_RXERR_MIC |
ATH9K_RXERR_KEYMISS));