From a6bf685ec3f64c3eae2d799aa1ebbdaa8f1de236 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Mon, 9 Mar 2009 14:55:20 +0000
Subject: Improve error detection from gpsd_hexpack().

---
 hex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'hex.c')

diff --git a/hex.c b/hex.c
index 2c7170a0..f09f6159 100644
--- a/hex.c
+++ b/hex.c
@@ -58,7 +58,7 @@ int gpsd_hexpack(char *src, char *dst, size_t len){
 
     l = (int)(strlen(src) / 2);
     if ((l < 1) || ((size_t)l > len))
-	return -1;
+	return -2;
 
     bzero(dst, (int)len);
     for (i = 0; i < l; i++)
-- 
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