From: Uwe Hermann <redacted>
Date: Thu, 25 Aug 2016 20:34:55 +0000 (+0200)
Subject: srd_inst_decode(): Return SRD_ERR_ARG if unitsize is 0.
X-Git-Tag: libsigrokdecode-0.5.0~150
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=80f8083b19da35f4cf015d6e612f3517635b04a4;p=libsigrokdecode.git

srd_inst_decode(): Return SRD_ERR_ARG if unitsize is 0.
---

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;