The maximum number of packets in a single buffer in
stream mode is 10. The driver currently uses 8 - which
caused stack corruption, in the absence of any kind
of OOB checking.
Fixing this to the correct value of 10 fixes the module
unload issue.
Signed-off-by: Sujith <Sujith.Manoharan@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/hif_usb.c | 2 +-
drivers/net/wireless/ath/ath9k/hif_usb.h | 1 +
2 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 4528df4..69bef1d 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -324,7 +324,7 @@ static struct ath9k_htc_hif hif_usb = {
static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
struct sk_buff *skb)
{
- struct sk_buff *nskb, *skb_pool[8];
+ struct sk_buff *nskb, *skb_pool[MAX_PKT_NUM_IN_TRANSFER];
int index = 0, i = 0, chk_idx, len = skb->len;
int rx_remain_len = 0, rx_pkt_len = 0;
u16 pkt_len, pkt_tag, pool_index = 0;
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
index ed9708c..179cea4 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.h
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
@@ -34,6 +34,7 @@
#define MAX_RX_URB_NUM 8
#define MAX_RX_BUF_SIZE 16384
+#define MAX_PKT_NUM_IN_TRANSFER 10
#define MAX_REG_OUT_URB_NUM 1
#define MAX_REG_OUT_BUF_NUM 8
--
1.7.0.3
--
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