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-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c8
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c2
3 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 811007ec07a7..498fee04afa0 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -615,6 +615,14 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
rs->rs_status |= ATH9K_RXERR_DECRYPT;
else if (ads.ds_rxstatus8 & AR_MichaelErr)
rs->rs_status |= ATH9K_RXERR_MIC;
+ } else {
+ if (ads.ds_rxstatus8 &
+ (AR_CRCErr | AR_PHYErr | AR_DecryptCRCErr | AR_MichaelErr))
+ rs->rs_status |= ATH9K_RXERR_CORRUPT_DESC;
+
+ /* Only up to MCS16 supported, everything above is invalid */
+ if (rs->rs_rate >= 0x90)
+ rs->rs_status |= ATH9K_RXERR_CORRUPT_DESC;
}
if (ads.ds_rxstatus8 & AR_KeyMiss)
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 1ff817061ebc..5865f92998e1 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -183,6 +183,7 @@ struct ath_htc_rx_status {
#define ATH9K_RXERR_DECRYPT 0x08
#define ATH9K_RXERR_MIC 0x10
#define ATH9K_RXERR_KEYMISS 0x20
+#define ATH9K_RXERR_CORRUPT_DESC 0x40
#define ATH9K_RX_MORE 0x01
#define ATH9K_RX_MORE_AGGR 0x02
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index c593a3e0cd95..ebb8d361b981 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -1319,6 +1319,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
sc->rx.frag = skb;
goto requeue;
}
+ if (rs.rs_status & ATH9K_RXERR_CORRUPT_DESC)
+ goto requeue_drop_frag;
if (sc->rx.frag) {
int space = skb->len - skb_tailroom(hdr_skb);