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 <vasanth@atheros.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 978b4d9..1618f8f 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -830,6 +830,7 @@
{
struct ath_hw *ah = common->ah;
__le16 fc;
+ u8 rx_status_len = ah->caps.rx_status_len;
fc = hdr->frame_control;
@@ -840,7 +841,7 @@
* 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;
/*