Subject: [PATCH 3/3] ath9k: Fix bug in validating received data length for edma

The rx status length should also be taken into account while
validating the length of a received frame.

Signed-off-by: Vasanthakumar Thiagarajan <[email protected]>
---
drivers/net/wireless/ath/ath9k/recv.c | 3 ++-
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 95f1622..fc15b4b 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -827,6 +827,7 @@ static bool ath9k_rx_accept(struct ath_common *common,
{
struct ath_hw *ah = common->ah;
__le16 fc;
+ u8 rx_status_len = ah->caps.rx_status_len;

fc = hdr->frame_control;

@@ -837,7 +838,7 @@ static bool ath9k_rx_accept(struct ath_common *common,
* we can take a hint that hardware corrupted it, so ignore
* those frames.
*/
- if (rx_stats->rs_datalen > common->rx_bufsize)
+ if (rx_stats->rs_datalen > (common->rx_bufsize - rx_status_len))
return false;

/*
--
1.7.0.4