pp: correct debugging logs

Change-Id: I599a9e78919b0a0195f0ccee3c0b41544614b7fa

diff --git a/src/tdm_pp.c b/src/tdm_pp.c
index c22fee0..bca4cd8 100644 (file)
--- a/src/tdm_pp.c
+++ b/src/tdm_pp.c
@@ -60,6 +60,7 @@ _tdm_pp_print_list(struct list_head *list)
 
        TDM_RETURN_IF_FAIL(list != NULL);
 
+       str[0] = '\0';
        p = str;
        LIST_FOR_EACH_ENTRY(b, list, link) {
                if (len > 0) {