From 3483d4d8447de3a0177204e4c8b74daa57f02cda Mon Sep 17 00:00:00 2001
From: Vadim Yanitskiy <axilirator@gmail.com>
Date: Wed, 8 Nov 2017 18:35:08 +0700
Subject: [PATCH] mobile/gsm322.c: prevent buffer over-/under-run

Change-Id: Ic12587a6c6456b8663e5357cf68a22c6d1927a07
---
 src/host/layer23/src/mobile/gsm322.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/host/layer23/src/mobile/gsm322.c b/src/host/layer23/src/mobile/gsm322.c
index 0e2c9afe..91729d87 100644
--- a/src/host/layer23/src/mobile/gsm322.c
+++ b/src/host/layer23/src/mobile/gsm322.c
@@ -320,6 +320,9 @@ static char *bargraph(int value, int min, int max)
 	else
 		value -= min;
 
+	/* Prevent 'bar' buffer over-/under-run */
+	OSMO_ASSERT(value >= 0 && value < 128);
+
 	/* Prevent calling memset() with zero length */
 	if (value == 0)
 		return "";
-- 
2.11.4.GIT