tweak

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8246 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_cpp.cpp

@@ -835,6 +835,10 @@ SWITCH_DECLARE(switch_status_t) CoreSession::process_callback_result(char *ret)
 	
     switch_file_handle_t *fh = NULL;	   
 
+    if (switch_strlen_zero(ret)) {
+		return SWITCH_STATUS_SUCCESS;	
+    }
+
 	if (fhp) {
 		fh = fhp;
 	} else {
@@ -857,10 +861,6 @@ SWITCH_DECLARE(switch_status_t) CoreSession::process_callback_result(char *ret)
 		return SWITCH_STATUS_FALSE;	
     }
 
-    if (!ret) {
-		return SWITCH_STATUS_SUCCESS;	
-    }
-
     if (!session) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Process callback result aborted because session is null\n");
 		return SWITCH_STATUS_FALSE;