[1/6] ath9k: add locking for stopping RX

Commit Message

Luis Rodriguez Oct. 20, 2010, 11:07 p.m. UTC

None

Patch

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 2b2c318..3b19bbb 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -306,10 +306,8 @@  static void ath_edma_start_recv(struct ath_softc *sc)
 
 static void ath_edma_stop_recv(struct ath_softc *sc)
 {
-	spin_lock_bh(&sc->rx.rxbuflock);
 	ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_HP);
 	ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_LP);
-	spin_unlock_bh(&sc->rx.rxbuflock);
 }
 
 int ath_rx_init(struct ath_softc *sc, int nbufs)
@@ -518,6 +516,7 @@  bool ath_stoprecv(struct ath_softc *sc)
 	struct ath_hw *ah = sc->sc_ah;
 	bool stopped;
 
+	spin_lock_bh(&sc->rx.rxbuflock);
 	ath9k_hw_stoppcurecv(ah);
 	ath9k_hw_setrxfilter(ah, 0);
 	stopped = ath9k_hw_stopdmarecv(ah);
@@ -526,6 +525,7 @@  bool ath_stoprecv(struct ath_softc *sc)
 		ath_edma_stop_recv(sc);
 	else
 		sc->rx.rxlink = NULL;
+	spin_unlock_bh(&sc->rx.rxbuflock);
 
 	return stopped;
 }