Decrement num_mpdus_ready only when rx amsdu is processed successfully.
Not doing so, will result in leak and impact stabilty under low memory
cases. Also commit 3128b3d8a2b9 ("ath10k: speedup htt rx descriptor
processing for rx_ind") missed to removed unused skb list rx_q.
Fixes: 3128b3d8a2b9 ("ath10k: speedup htt rx descriptor processing for
rx_ind")
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
v2: updated commit log
drivers/net/wireless/ath/ath10k/htt_rx.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 41adf62d7555..9390897a00c6 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -2412,14 +2412,12 @@ static void ath10k_htt_txrx_compl_task(unsigned long ptr)
struct ath10k_htt *htt = (struct ath10k_htt *)ptr;
struct ath10k *ar = htt->ar;
struct htt_tx_done tx_done = {};
- struct sk_buff_head rx_q;
struct sk_buff_head rx_ind_q;
struct sk_buff_head tx_ind_q;
struct sk_buff *skb;
unsigned long flags;
int num_mpdus;
- __skb_queue_head_init(&rx_q);
__skb_queue_head_init(&rx_ind_q);
__skb_queue_head_init(&tx_ind_q);
@@ -2447,11 +2445,13 @@ static void ath10k_htt_txrx_compl_task(unsigned long ptr)
ath10k_mac_tx_push_pending(ar);
num_mpdus = atomic_read(&htt->num_mpdus_ready);
- atomic_sub(num_mpdus, &htt->num_mpdus_ready);
- while (num_mpdus--) {
+ while (num_mpdus) {
if (ath10k_htt_rx_handle_amsdu(htt))
break;
+
+ num_mpdus--;
+ atomic_dec(&htt->num_mpdus_ready);
}
while ((skb = __skb_dequeue(&rx_ind_q))) {
--
2.7.4
--
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