From c3ca7eba180a784af75e98f5dada9e8c441d1a90 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Fri, 25 Dec 2015 10:17:17 +0100
Subject: [PATCH] don't return undefined strings from rua_cause_str()

---
 src/rua_common.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/rua_common.c b/src/rua_common.c
index 4499efeb..fcb873e0 100644
--- a/src/rua_common.c
+++ b/src/rua_common.c
@@ -90,6 +90,9 @@ char *rua_cause_str(RUA_Cause_t *cause)
 			get_value_string(rua_cause_misc_vals,
 					cause->choice.misc));
 		break;
+	default:
+		strcpy(buf, "unknown");
+		break;
 	}
 	return buf;
 }