Don't bother with error_message() is code is 0.

diff --git a/update/update_server.c b/update/update_server.c
index 7c23a69bf6764688e0200cb90e017af1a661194d..41bcbda4d227d03488f4288e4f7f5853cd6be146 100644 (file)
--- a/update/update_server.c
+++ b/update/update_server.c
@@ -243,5 +243,6 @@ static void syslog_com_err_proc(const char *progname, long code,
   buf[BUFSIZ] = '\0';
 
   vsnprintf(buf, BUFSIZ, fmt, args);
-  syslog(LOG_NOTICE, "%s: %s %s", progname, error_message(code), buf);
+  syslog(LOG_NOTICE, "%s: %s %s", progname ? progname : "",
+        code ? error_message(code) : "", buf);
 }