From 80f8083b19da35f4cf015d6e612f3517635b04a4 Mon Sep 17 00:00:00 2001
From: Uwe Hermann <uwe@hermann-uwe.de>
Date: Thu, 25 Aug 2016 22:34:55 +0200
Subject: [PATCH] srd_inst_decode(): Return SRD_ERR_ARG if unitsize is 0.

---
 instance.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/instance.c b/instance.c
index 86b826f..b1bfd81 100644
--- a/instance.c
+++ b/instance.c
@@ -558,6 +558,10 @@ SRD_PRIV int srd_inst_decode(const struct srd_decoder_inst *di,
 		srd_dbg("empty buffer");
 		return SRD_ERR_ARG;
 	}
+	if (unitsize == 0) {
+		srd_dbg("unitsize 0");
+		return SRD_ERR_ARG;
+	}
 
 	((struct srd_decoder_inst *)di)->data_unitsize = unitsize;
 
-- 
2.30.2