rtlwifi: rtl8192c: Prevent reconnect attempts if not connected

This driver has a watchdog timer that attempts to reconnect when beacon frames
are not seen for 6 seconds. This patch disables that reconnect whenever the
device has never been connected.
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rtlwifi/base.c

@@ -1437,7 +1437,8 @@ void rtl_watchdog_wq_callback(void *data)
 			/* if we can't recv beacon for 6s, we should
 			 * reconnect this AP
 			 */
-			if (rtlpriv->link_info.roam_times >= 3) {
+			if ((rtlpriv->link_info.roam_times >= 3) &&
+			    !is_zero_ether_addr(rtlpriv->mac80211.bssid)) {
 				RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 					 "AP off, try to reconnect now\n");
 				rtlpriv->link_info.roam_times = 0;