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ath9k: Make sure we have current channel in ah_curchan before rf disable/enable 

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2009-06-13 14:50:25 +05:30 committed by John W. Linville
parent 82880a7cf9
commit 159cd468bc
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/ath/ath9k/main.c
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@ -1123,6 +1123,9 @@ void ath_radio_enable(struct ath_softc *sc)
ath9k_ps_wakeup(sc);
ath9k_hw_configpcipowersave(ah, 0);
if (!ah->curchan)
ah->curchan = ath_get_curchannel(sc, sc->hw);
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {
@ -1175,6 +1178,9 @@ void ath_radio_disable(struct ath_softc *sc)
ath_stoprecv(sc); /* turn off frame recv */
ath_flushrecv(sc); /* flush recv queue */
if (!ah->curchan)
ah->curchan = ath_get_curchannel(sc, sc->hw);
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {