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--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -823,6 +823,14 @@ static bool ath9k_rx_accept(struct ath_c
(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;
/*
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