Commit 447a42c2 authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville

ath9k: fix panic while cleaning up virtaul wifis

num_sec_wiphy means max secondary wifis that the driver can accomudate.
So cancelling wiphy work should be based on the presence of
secondary wifis.
Signed-off-by: default avatarRajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 6eb90d46
......@@ -787,12 +787,12 @@ void ath9k_deinit_device(struct ath_softc *sc)
ieee80211_unregister_hw(aphy->hw);
ieee80211_free_hw(aphy->hw);
}
kfree(sc->sec_wiphy);
ieee80211_unregister_hw(hw);
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
ath9k_deinit_softc(sc);
kfree(sc->sec_wiphy);
}
void ath_descdma_cleanup(struct ath_softc *sc,
......
......@@ -1269,6 +1269,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
struct ath_softc *sc = aphy->sc;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
int i;
mutex_lock(&sc->mutex);
......@@ -1281,7 +1282,12 @@ static void ath9k_stop(struct ieee80211_hw *hw)
cancel_work_sync(&sc->paprd_work);
cancel_work_sync(&sc->hw_check_work);
if (!sc->num_sec_wiphy) {
for (i = 0; i < sc->num_sec_wiphy; i++) {
if (sc->sec_wiphy[i])
break;
}
if (i == sc->num_sec_wiphy) {
cancel_delayed_work_sync(&sc->wiphy_work);
cancel_work_sync(&sc->chan_work);
}
......
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