ath9k: fix MGMT packets when using TKIP

Prevent 8 bytes from being truncated from MGMT packets
when using TKIP.

Signed-off-by: Bill Jordan <bjordan@rajant.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index a9d8f96be5a7..ad5f9bd2f0b9 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -824,7 +824,8 @@ static bool ath9k_rx_accept(struct ath_common *common,
         is_mc = !!is_multicast_ether_addr(hdr->addr1);
         is_valid_tkip = rx_stats->rs_keyix != ATH9K_RXKEYIX_INVALID &&
                 test_bit(rx_stats->rs_keyix, common->tkip_keymap);
-        strip_mic = is_valid_tkip && !(rx_stats->rs_status &
+        strip_mic = is_valid_tkip && ieee80211_is_data(fc) &&
+                !(rx_stats->rs_status &
                 (ATH9K_RXERR_DECRYPT | ATH9K_RXERR_CRC | ATH9K_RXERR_MIC));
 
         if (!rx_stats->rs_datalen)