filter_kubernetes: fix missing initialization on cache buf
@@ -220,7 +220,7 @@ static int cb_kube_filter(void *data, size_t bytes,
{
int ret;
size_t off = 0;
- char *cache_buf;
+ char *cache_buf = NULL;
size_t cache_size = 0;
msgpack_unpacked result;
msgpack_object time;
