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ath10k: fix unconditional num_mpdus_ready subtraction

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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 3128b3d8a2 ("ath10k: speedup htt rx descriptor
processing for rx_ind") missed to removed unused skb list rx_q.

Fixes: 3128b3d8a2 ("ath10k: speedup htt rx descriptor processing for rx_ind")
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Rajkumar Manoharan 2016-04-07 12:07:31 +05:30 committed by Kalle Valo
parent dd7c280f9b
commit 689de38e37
1 changed files with 4 additions and 4 deletions
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8
drivers/net/wireless/ath/ath10k/htt_rx.c
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@ -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))) {