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

4 files changed, 25 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 17d04ff8d678..1482fa650833 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2141,6 +2141,8 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
 static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
 {
 	struct ath_softc *sc = hw->priv;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	int timeout = 200; /* ms */
 	int i, j;
 
@@ -2149,6 +2151,12 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
 
 	cancel_delayed_work_sync(&sc->tx_complete_work);
 
+	if (sc->sc_flags & SC_OP_INVALID) {
+		ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
+		mutex_unlock(&sc->mutex);
+		return;
+	}
+
 	if (drop)
 		timeout = 1;
 
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index c1511b14b239..42db0fc8b921 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -2155,6 +2155,13 @@ int iwl_legacy_mac_config(struct ieee80211_hw *hw, u32 changed)
 			goto set_ch_out;
 		}
 
+		if (priv->iw_mode == NL80211_IFTYPE_ADHOC &&
+		    !iwl_legacy_is_channel_ibss(ch_info)) {
+			IWL_DEBUG_MAC80211(priv, "leave - not IBSS channel\n");
+			ret = -EINVAL;
+			goto set_ch_out;
+		}
+
 		spin_lock_irqsave(&priv->lock, flags);
 
 		for_each_context(priv, ctx) {
diff --git a/drivers/net/wireless/iwlegacy/iwl-dev.h b/drivers/net/wireless/iwlegacy/iwl-dev.h
index 9ee849d669f3..f43ac1eb9014 100644
--- a/drivers/net/wireless/iwlegacy/iwl-dev.h
+++ b/drivers/net/wireless/iwlegacy/iwl-dev.h
@@ -1411,6 +1411,12 @@ iwl_legacy_is_channel_passive(const struct iwl_channel_info *ch)
 	return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
 }
 
+static inline int
+iwl_legacy_is_channel_ibss(const struct iwl_channel_info *ch)
+{
+	return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0;
+}
+
 static inline void
 __iwl_legacy_free_pages(struct iwl_priv *priv, struct page *page)
 {
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 7e8a658b7670..f3ac62431a30 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1339,8 +1339,8 @@ int lbs_execute_next_command(struct lbs_private *priv)
 				    cpu_to_le16(PS_MODE_ACTION_EXIT_PS)) {
 					lbs_deb_host(
 					       "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
-					list_del(&cmdnode->list);
 					spin_lock_irqsave(&priv->driver_lock, flags);
+					list_del(&cmdnode->list);
 					lbs_complete_command(priv, cmdnode, 0);
 					spin_unlock_irqrestore(&priv->driver_lock, flags);
 
@@ -1352,8 +1352,8 @@ int lbs_execute_next_command(struct lbs_private *priv)
 				    (priv->psstate == PS_STATE_PRE_SLEEP)) {
 					lbs_deb_host(
 					       "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
-					list_del(&cmdnode->list);
 					spin_lock_irqsave(&priv->driver_lock, flags);
+					list_del(&cmdnode->list);
 					lbs_complete_command(priv, cmdnode, 0);
 					spin_unlock_irqrestore(&priv->driver_lock, flags);
 					priv->needtowakeup = 1;
@@ -1366,7 +1366,9 @@ int lbs_execute_next_command(struct lbs_private *priv)
 				       "EXEC_NEXT_CMD: sending EXIT_PS\n");
 			}
 		}
+		spin_lock_irqsave(&priv->driver_lock, flags);
 		list_del(&cmdnode->list);
+		spin_unlock_irqrestore(&priv->driver_lock, flags);
 		lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
 			    le16_to_cpu(cmd->command));
 		lbs_submit_command(priv, cmdnode);