iwlwifi: fix dual-mode scanning

The recent scanning code shuffle accidentally
moved the SCAN_HW bit setting _after_ the PAN
parameters are modified, which means that they
don't take the scan into account -- fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

drivers/net/wireless/iwlwifi/iwl-agn-lib.c

@@ -1565,13 +1565,15 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	cmd.data = scan;
 	scan->len = cpu_to_le16(cmd.len);
 
+	/* set scan bit here for PAN params */
+	set_bit(STATUS_SCAN_HW, &priv->status);
+
 	if (priv->cfg->ops->hcmd->set_pan_params) {
 		ret = priv->cfg->ops->hcmd->set_pan_params(priv);
 		if (ret)
 			return ret;
 	}
 
-	set_bit(STATUS_SCAN_HW, &priv->status);
 	ret = iwl_send_cmd_sync(priv, &cmd);
 	if (ret) {
 		clear_bit(STATUS_SCAN_HW, &priv->status);