From: Felix Fietkau Date: Sun, 5 Feb 2012 20:15:17 +0000 (+0100) Subject: ath9k: fix a WEP crypto related regression X-Git-Tag: MMI-PSA29.97-13-9~17300^2^2~35 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f88373fa47f3ce6590fdfaa742d0ddacc2ae017f;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git ath9k: fix a WEP crypto related regression commit b4a82a0 "ath9k_hw: fix interpretation of the rx KeyMiss flag" fixed the interpretation of the KeyMiss flag for keycache based lookups, however WEP encryption uses a static index, so KeyMiss is always asserted for it, even though frames are decrypted properly. Fix this by clearing the ATH9K_RXERR_KEYMISS flag if no keycache based lookup was performed. Signed-off-by: Felix Fietkau Cc: stable@vger.kernel.org Reported-by: Laurent Bonnans Reported-by: Jurica Vukadin Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 0e666fbe0842..7e1a91af1497 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -822,6 +822,14 @@ static bool ath9k_rx_accept(struct ath_common *common, (ATH9K_RXERR_DECRYPT | ATH9K_RXERR_CRC | ATH9K_RXERR_MIC | ATH9K_RXERR_KEYMISS)); + /* + * Key miss events are only relevant for pairwise keys where the + * descriptor does contain a valid key index. This has been observed + * mostly with CCMP encryption. + */ + if (rx_stats->rs_keyix == ATH9K_RXKEYIX_INVALID) + rx_stats->rs_status &= ~ATH9K_RXERR_KEYMISS; + if (!rx_stats->rs_datalen) return false; /*