use talloc_zfree when freeing rhostent in resolver

We should use talloc_zfree() when freeing state variables, so we
can later avoid undesirable access after free.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/resolv/async_resolv.c b/src/resolv/async_resolv.c
index 268d266a..04651511 100644
--- a/src/resolv/async_resolv.c
+++ b/src/resolv/async_resolv.c
@@ -1051,7 +1051,7 @@ resolv_gethostbyname_dns_parse(struct gethostbyname_dns_state *state,
          * c-ares, but we need to handle it gracefully.
          */
         if (state->rhostent->addr_list == NULL) {
-            talloc_free(state->rhostent);
+            talloc_zfree(state->rhostent);
             return ENOENT;
         }
     }