From 1188167a92813be674e2154663d49cf135ac8a19 Mon Sep 17 00:00:00 2001
From: Eric <ewild@sysmocom.de>
Date: Mon, 11 Jan 2021 18:49:12 +0100
Subject: [PATCH] tbf: add virtual destructor

This ensures spec compliance, because currently the base class
destructor would be called through a base class pointer to derived
class instead of the most derived one, which ist unexpected and actually
undefined behavior in c++11 and beyond.

Change-Id: Ic4abde1658a983bb0ccf9a526177dce50ff6dc23
---
 src/tbf.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tbf.h b/src/tbf.h
index 4bbfea2b..72b5cf02 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -213,6 +213,7 @@ int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf);
 
 struct gprs_rlcmac_tbf {
 	gprs_rlcmac_tbf(BTS *bts_, GprsMs *ms, gprs_rlcmac_tbf_direction dir);
+	virtual ~gprs_rlcmac_tbf() {}
 
 	static void free_all(struct gprs_rlcmac_trx *trx);
 	static void free_all(struct gprs_rlcmac_pdch *pdch);