utils: fix coverity warning 155456

I think the memory wouldn't really leak, due to being on a per-request
mempool, but it still seems better to do this properly.

diff --git a/lib/utils.c b/lib/utils.c
index 35a7c19b2a7e7f0a01c4934a2c1c39f46954d2b7..2588ba159510bc71d83892ba2503bb98b321c3f4 100644 (file)
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -450,6 +450,7 @@ int kr_ranked_rrarray_add(ranked_rr_array_t *array, const knot_rrset_t *rr,
        }
        knot_rrset_t *copy = knot_rrset_copy(rr, pool);
        if (!copy) {
+               mm_free(pool, entry);
                return kr_error(ENOMEM);
        }