small fix util.c

diff --git a/client/util.c b/client/util.c
index bbc7f2cfb598d73c8e7ad26f999c2c37bcc1b2a6..5dc9a4556b1668708f9323138191401593c95e1c 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -116,6 +116,7 @@ void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex
                
        char *tmp = (char *)buf;
        size_t i;
+       memset(tmp, 0x00, hex_max_len);
 
        int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len;