staging: rtl8192e: Put kfree() to end of rtllib_softmac_free()

To reverse order of initialization put kfree() to the end of
rtllib_softmac_free().
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/85b63c62780356af91c30cc63280c5f59cd29210.1695582999.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtllib_softmac.c

@@ -2462,8 +2462,6 @@ int rtllib_softmac_init(struct rtllib_device *ieee)
 void rtllib_softmac_free(struct rtllib_device *ieee)
 {
 	mutex_lock(&ieee->wx_mutex);
-	kfree(ieee->dot11d_info);
-	ieee->dot11d_info = NULL;
 	del_timer_sync(&ieee->associate_timer);
 
 	cancel_delayed_work_sync(&ieee->associate_retry_wq);
@@ -2476,6 +2474,9 @@ void rtllib_softmac_free(struct rtllib_device *ieee)
 	cancel_work_sync(&ieee->ips_leave_wq);
 	cancel_work_sync(&ieee->wx_sync_scan_wq);
 	cancel_work_sync(&ieee->ps_task);
+
+	kfree(ieee->dot11d_info);
+	ieee->dot11d_info = NULL;
 	mutex_unlock(&ieee->wx_mutex);
 }