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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2010-05-21 01:34:48 +0400
committerJohn W. Linville <linville@tuxdriver.com>2010-06-03 00:13:32 +0400
commitb7b1b512287d6917d4976a4ee0e7d72c4edf52eb (patch)
tree2e098ddf22ccd61cb09159aec3b9a236ebcc1f8a /drivers/net/wireless/ath/ath9k/recv.c
parent5c6dd921776946d12cbbae8ab92c5d6773b25810 (diff)
downloadlinux-b7b1b512287d6917d4976a4ee0e7d72c4edf52eb.tar.xz
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/recv.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c3
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 978b4d91f931..1618f8fe195d 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -830,6 +830,7 @@ 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;
@@ -840,7 +841,7 @@ 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;
/*