mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-01 11:09:21 +02:00
92 lines
3.1 KiB
Diff
92 lines
3.1 KiB
Diff
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--- a/drivers/net/wireless/ath/ath9k/init.c
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+++ b/drivers/net/wireless/ath/ath9k/init.c
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@@ -57,7 +57,7 @@ MODULE_PARM_DESC(blink, "Enable LED blin
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* on 5 MHz steps, we support the channels which we know
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* we have calibration data for all cards though to make
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* this static */
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-static struct ieee80211_channel ath9k_2ghz_chantable[] = {
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+static const struct ieee80211_channel ath9k_2ghz_chantable[] = {
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CHAN2G(2412, 0), /* Channel 1 */
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CHAN2G(2417, 1), /* Channel 2 */
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CHAN2G(2422, 2), /* Channel 3 */
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@@ -78,7 +78,7 @@ static struct ieee80211_channel ath9k_2g
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* on 5 MHz steps, we support the channels which we know
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* we have calibration data for all cards though to make
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* this static */
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-static struct ieee80211_channel ath9k_5ghz_chantable[] = {
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+static const struct ieee80211_channel ath9k_5ghz_chantable[] = {
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/* _We_ call this UNII 1 */
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CHAN5G(5180, 14), /* Channel 36 */
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CHAN5G(5200, 15), /* Channel 40 */
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@@ -478,10 +478,17 @@ err:
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return -EIO;
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}
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-static void ath9k_init_channels_rates(struct ath_softc *sc)
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+static int ath9k_init_channels_rates(struct ath_softc *sc)
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{
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+ void *channels;
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+
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if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes)) {
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- sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
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+ channels = kmemdup(ath9k_2ghz_chantable,
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+ sizeof(ath9k_2ghz_chantable), GFP_KERNEL);
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+ if (!channels)
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+ return -ENOMEM;
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+
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+ sc->sbands[IEEE80211_BAND_2GHZ].channels = channels;
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sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
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sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
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ARRAY_SIZE(ath9k_2ghz_chantable);
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@@ -491,7 +498,15 @@ static void ath9k_init_channels_rates(st
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}
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if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
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- sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
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+ channels = kmemdup(ath9k_5ghz_chantable,
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+ sizeof(ath9k_5ghz_chantable), GFP_KERNEL);
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+ if (!channels) {
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+ if (sc->sbands[IEEE80211_BAND_2GHZ].channels)
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+ kfree(sc->sbands[IEEE80211_BAND_2GHZ].channels);
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+ return -ENOMEM;
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+ }
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+
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+ sc->sbands[IEEE80211_BAND_5GHZ].channels = channels;
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sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
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sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
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ARRAY_SIZE(ath9k_5ghz_chantable);
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@@ -500,6 +515,7 @@ static void ath9k_init_channels_rates(st
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sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
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ARRAY_SIZE(ath9k_legacy_rates) - 4;
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}
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+ return 0;
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}
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static void ath9k_init_misc(struct ath_softc *sc)
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@@ -603,8 +619,11 @@ static int ath9k_init_softc(u16 devid, s
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if (ret)
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goto err_btcoex;
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+ ret = ath9k_init_channels_rates(sc);
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+ if (ret)
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+ goto err_btcoex;
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+
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ath9k_init_crypto(sc);
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- ath9k_init_channels_rates(sc);
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ath9k_init_misc(sc);
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return 0;
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@@ -786,6 +805,12 @@ static void ath9k_deinit_softc(struct at
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{
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int i = 0;
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+ if (sc->sbands[IEEE80211_BAND_2GHZ].channels)
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+ kfree(sc->sbands[IEEE80211_BAND_2GHZ].channels);
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+
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+ if (sc->sbands[IEEE80211_BAND_5GHZ].channels)
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+ kfree(sc->sbands[IEEE80211_BAND_5GHZ].channels);
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+
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if ((sc->btcoex.no_stomp_timer) &&
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sc->sc_ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
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ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer);
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