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Commit bdd62c06 authored by Vivek Natarajan's avatar Vivek Natarajan Committed by John W. Linville
Browse files

ath9k: Fix a locking related issue. 



Spin_lock has been tried to be acquired twice from ath9k_tasklet
to ath_reset which resulted in a machine freeze.

Signed-off-by: default avatarVivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 22983c30

drivers/net/wireless/ath/ath9k/xmit.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -563,8 +563,11 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, 




	rcu_read_unlock();

	rcu_read_unlock();





	if (needreset)

	if (needreset) {

		spin_unlock_bh(&sc->sc_pcu_lock);

		ath_reset(sc, false);

		ath_reset(sc, false);

		spin_lock_bh(&sc->sc_pcu_lock);

	}

}

}





static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,

static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,