Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / drivers / net / wireless / ath5k / base.c

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 8ef87356e083f28241db4298c1a0a0384732f340..a533ed60bb4d739da8a5cc41318b9de8b4b98c27 100644 (file)
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -1028,6 +1028,8 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
  * it's done by reseting the chip.  To accomplish this we must
  * first cleanup any pending DMA, then restart stuff after a la
  * ath5k_init.
+ *
+ * Called with sc->lock.
  */
 static int
 ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
@@ -2814,11 +2816,17 @@ ath5k_config(struct ieee80211_hw *hw, u32 changed)
 {
        struct ath5k_softc *sc = hw->priv;
        struct ieee80211_conf *conf = &hw->conf;
+       int ret;
+
+       mutex_lock(&sc->lock);
 
        sc->bintval = conf->beacon_int;
        sc->power_level = conf->power_level;
 
-       return ath5k_chan_set(sc, conf->channel);
+       ret = ath5k_chan_set(sc, conf->channel);
+
+       mutex_unlock(&sc->lock);
+       return ret;
 }
 
 static int