Mats Johannesson wrote:
> As the subject says, 2.6.28-rc7-wl git pulled Dec 6 exhibits a kernel
> panic when doing "iwlist ath0 scan" as root under the ath9k driver.
> Machine dead, panic LED blinking.
>
> Scan as normal user is OK.
>
Can you check if this makes any difference ? Thanks.
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index ca8ed7d..726d0a3 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -702,6 +702,7 @@ struct ath_softc {
/* Rate */
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
+ struct ath_rate_table *cur_rate_table;
u8 sc_protrix;
/* Channel, Band */
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 76acd2b..8eec667 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -817,7 +817,7 @@ static void ath_rc_ratefind(struct ath_softc *sc,
struct ath_rate_table *rate_table;
struct ieee80211_tx_rate *rates = tx_info->control.rates;
- rate_table = sc->hw_rate_table[sc->sc_curmode];
+ rate_table = sc->cur_rate_table;
rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, 1,
is_probe, is_retry);
nrix = rix;
@@ -877,7 +877,7 @@ static void ath_rc_ratefind(struct ath_softc *sc,
if ((sc->sc_curmode == ATH9K_MODE_11NG_HT20) ||
(sc->sc_curmode == ATH9K_MODE_11NG_HT40PLUS) ||
(sc->sc_curmode == ATH9K_MODE_11NG_HT40MINUS)) {
- u8 dot11rate = rate_table->info[rix].dot11rate;
+ u8 dot11rate = rate_table->info[rix].dot11rate;
u8 phy = rate_table->info[rix].phy;
if (i == 4 &&
((dot11rate == 2 && phy == WLAN_RC_PHY_HT_40_SS) ||
@@ -1094,7 +1094,7 @@ static void ath_rc_update_ht(struct ath_softc *sc,
int rate;
u8 last_per;
bool state_change = false;
- struct ath_rate_table *rate_table = sc->hw_rate_table[sc->sc_curmode];
+ struct ath_rate_table *rate_table = sc->cur_rate_table;
int size = ath_rc_priv->rate_table_size;
if ((tx_rate < 0) || (tx_rate > rate_table->rate_cnt))
@@ -1254,7 +1254,7 @@ static void ath_rc_tx_status(struct ath_softc *sc,
u8 flags;
u32 i = 0, rix;
- rate_table = sc->hw_rate_table[sc->sc_curmode];
+ rate_table = sc->cur_rate_table;
/*
* If the first rate is not the final index, there
@@ -1432,6 +1432,7 @@ static void ath_rc_init(struct ath_softc *sc,
ath_rc_priv->max_valid_rate = k;
ath_rc_sort_validrates(rate_table, ath_rc_priv);
ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
+ sc->cur_rate_table = rate_table;
}
/* Rate Control callbacks */
--
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