On Thu, Jan 27, 2011 at 1:15 AM, Vivek Natarajan <vnatarajan@xxxxxxxxxxx> wrote:
> Spin_lock has been tried to be acquired twice from ath9k_tasklet
> to ath_reset which resulted in a machine freeze.
>
> Signed-off-by: Vivek Natarajan <vnatarajan@xxxxxxxxxxx>
> ---
Was this a stable fix? :(
> Âdrivers/net/wireless/ath/ath9k/xmit.c | Â Â5 ++++-
> Â1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
> index c73452d..84673fb 100644
> --- a/drivers/net/wireless/ath/ath9k/xmit.c
> +++ b/drivers/net/wireless/ath/ath9k/xmit.c
> @@ -564,8 +564,11 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
>
> Â Â Â Ârcu_read_unlock();
>
> - Â Â Â if (needreset)
> + Â Â Â if (needreset) {
> + Â Â Â Â Â Â Â spin_unlock_bh(&sc->sc_pcu_lock);
> Â Â Â Â Â Â Â Âath_reset(sc, false);
> + Â Â Â Â Â Â Â spin_lock_bh(&sc->sc_pcu_lock);
> + Â Â Â }
> Â}
>
> Âstatic u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
> --
> 1.6.3.3
>
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