On Thu, 2015-02-05 at 05:19 -0800, Eric Dumazet wrote:
>
> TCP could eventually dynamically adjust the tcp_limit_output_bytes,
> using a per flow dynamic value, but I would rather not add a kludge in
> TCP stack only to deal with a possible bug in ath10k driver.
>
> niu has a similar issue and simply had to call skb_orphan() :
>
> drivers/net/ethernet/sun/niu.c:6669: skb_orphan(skb);
In your case that might be the place :
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c
b/drivers/net/wireless/ath/ath10k/htt_tx.c
index 4bc51d8a14a3..cbda7a87d5a1 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -468,6 +468,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff
*msdu)
msdu_id = res;
htt->pending_tx[msdu_id] = msdu;
spin_unlock_bh(&htt->tx_lock);
+ skb_orphan(msdu);
prefetch_len = min(htt->prefetch_len, msdu->len);
prefetch_len = roundup(prefetch_len, 4);
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