iwlwifi: allow config if device not ready

Allow user to config the device all the time but only allow commiting
these changes to card if the card is up and running.
Signed-off-by: NMohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -2474,12 +2474,6 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 
 	mutex_lock(&priv->mutex);
 
-	if (!iwl_is_ready(priv)) {
-		IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
-		ret = -EIO;
-		goto out;
-	}
-
 	IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n",
 					conf->channel->hw_value, changed);
 
@@ -2574,6 +2568,11 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 		goto out;
 	}
 
+	if (!iwl_is_ready(priv)) {
+		IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
+		goto out;
+	}
+
 	if (scan_active)
 		goto out;