libertas: pass channel argument directly to lbs_mesh_config()

There is weirdness here; the firmware seems to refuse to change channels
at will.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/wext.c

@@ -1000,9 +1000,8 @@ static int lbs_mesh_set_freq(struct net_device *dev,
 		else if (priv->mode == IW_MODE_ADHOC)
 			lbs_stop_adhoc_network(priv);
 	}
-	priv->curbssparams.channel = fwrq->m;
-	lbs_mesh_config(priv, 0);
-	lbs_mesh_config(priv, 1);
+	lbs_mesh_config(priv, 1, fwrq->m);
+	lbs_update_channel(priv);
 	ret = 0;
 
 out:
@@ -2010,7 +2009,7 @@ static int lbs_mesh_set_essid(struct net_device *dev,
 		priv->mesh_ssid_len = dwrq->length;
 	}
 
-	lbs_mesh_config(priv, 1);
+	lbs_mesh_config(priv, 1, priv->curbssparams.channel);
  out:
 	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 	return ret;