On 09/27/2011 11:00 AM, Kalle Valo wrote:
> From: Jouni Malinen <jouni@xxxxxxxxxxxxxxxx>
>
> Commit 94e532d1a ("ath6kl: Fix system freeze under heavy data load")
> aligns the skb data without checking if the skb is cloned. Because of
> this ath6kl can corrupt the local TCP stack information that can result
> in TCP retransmission failing and TCP connections stalling.
>
> To avoid the corruption we need to copy the skb. Now the alignment
> in ath6kl_htc_tx_buf_align() doesn't corrupt TCP packets anymore (and is
> not even used for the cloned skb's that got copied since the alignment
> of the data is handled at the copy time).
Applied.
Kalle
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