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ath9k: Use HW HT capabilites properly 

The commit "ath9k: Remove aggregation flags" changed how
nodes were being initialized. Use the HW HT cap bits
to initialize/de-initialize nodes, else we would be
accessing an uninitialized entry during a suspend/resume cycle,
resulting in a panic.

Reported-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-03-27 10:08:55 +05:30 committed by John W. Linville
parent ca907a9073
commit a4d6367fa7
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/ath/ath9k/main.c
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@ -640,7 +640,7 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
an->sta = sta;
an->vif = vif;
if (sta->ht_cap.ht_supported) {
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
ath_tx_node_init(sc, an);
an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
sta->ht_cap.ampdu_factor);
@ -659,7 +659,7 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
an->sta = NULL;
#endif
if (sta->ht_cap.ht_supported)
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
ath_tx_node_cleanup(sc, an);
}