ath9k: Fix RX crypto processing
The keymiss events are valid only in the last descriptor
of a packet. Fix this by making sure that we return
early in case of chained descriptors.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index f8cc2b3..b04a971 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -785,10 +785,6 @@
!test_bit(rx_stats->rs_keyix, common->ccmp_keymap))
rx_stats->rs_status &= ~ATH9K_RXERR_KEYMISS;
- /* Only use error bits from the last fragment */
- if (rx_stats->rs_more)
- return true;
-
mic_error = is_valid_tkip && !ieee80211_is_ctl(fc) &&
!ieee80211_has_morefrags(fc) &&
!(le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG) &&
@@ -959,6 +955,10 @@
return -EINVAL;
}
+ /* Only use status info from the last fragment */
+ if (rx_stats->rs_more)
+ return 0;
+
/*
* everything but the rate is checked here, the rate check is done
* separately to avoid doing two lookups for a rate for each frame.
@@ -966,10 +966,6 @@
if (!ath9k_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error))
return -EINVAL;
- /* Only use status info from the last fragment */
- if (rx_stats->rs_more)
- return 0;
-
if (ath9k_process_rate(common, hw, rx_stats, rx_status))
return -EINVAL;