From: Liviu Chircu <liviu@opensips.org>
Date: Wed, 1 Jul 2020 09:40:10 +0300
Subject: [PATCH] cluster sync logging: Fix incomplete "if" condition

Reported by William Jin

(cherry picked from commit 892c2ee4776b18e3345d0d7bfd8353dd33442487)

diff --git a/bin_interface.h b/bin_interface.h
index f7be81fe5..e6a6f2109 100644
--- a/bin_interface.h
+++ b/bin_interface.h
@@ -48,7 +48,7 @@
 #define _ensure_bin_version(pkt, needed, pkt_desc) \
 	do { \
 		if (get_bin_pkg_version(pkt) != (needed)) { \
-			if (pkt_desc) \
+			if (pkt_desc && *pkt_desc) \
 				LM_INFO("discarding %s, ver %d: need ver %d\n", \
 				        pkt_desc, get_bin_pkg_version(pkt), (needed)); \
 			else \