perf tools: Use zfree to help detect use after free bugs

[linux.git] / tools / perf / util / strfilter.c

diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c
index 3edd0538161f3556f49ca1e10b1f3a1edd2e6468..79a757a2a15c22db5eec8494d662071cde57a12e 100644 (file)
--- a/tools/perf/util/strfilter.c
+++ b/tools/perf/util/strfilter.c
@@ -14,7 +14,7 @@ static void strfilter_node__delete(struct strfilter_node *node)
 {
        if (node) {
                if (node->p && !is_operator(*node->p))
-                       free((char *)node->p);
+                       zfree((char **)&node->p);
                strfilter_node__delete(node->l);
                strfilter_node__delete(node->r);
                free(node);