From 9214f2a4002bafef73c9593464ab3841ba7bac12 Mon Sep 17 00:00:00 2001
From: Michael Heimpold <michael.heimpold@i2se.com>
Date: Tue, 18 Dec 2018 14:49:37 +0100
Subject: [PATCH 2/9] Cleanup memory in error case

In case that we leave due to malformed string,
free the allocated memory before returning.

Signed-off-by: Michael Heimpold <michael.heimpold@i2se.com>
Cc: Michael Heimpold <mhei@heimpold.de>
---
 lsmmc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lsmmc.c b/lsmmc.c
index e514c83..a53bc57 100644
--- a/lsmmc.c
+++ b/lsmmc.c
@@ -378,8 +378,10 @@ char *to_binstr(char *hexstr)
 		return NULL;
 
 	while (hexstr && *hexstr != '\0') {
-		if (!isxdigit(*hexstr))
+		if (!isxdigit(*hexstr)) {
+			free(binstr);
 			return NULL;
+		}
 
 		if (isdigit(*hexstr))
 			strcat(binstr, bindigits[*hexstr - '0']);
-- 
2.17.1