silence clang static analyser warning. [RT #46881]

diff --git a/lib/ns/query.c b/lib/ns/query.c
index 492d716f506bffdc0168cd63f3858e2584e5824a..165dedaa1a4cf06e8f80a9253e14962cedd1e598 100644 (file)
--- a/lib/ns/query.c
+++ b/lib/ns/query.c
@@ -8147,6 +8147,8 @@ query_addnxrrsetnsec(query_ctx_t *qctx) {
        isc_buffer_t *dbuf, b;
        dns_name_t *fname;
 
+       INSIST(qctx->fname != NULL);
+
        if ((qctx->fname->attributes & DNS_NAMEATTR_WILDCARD) == 0) {
                query_addrrset(client, &qctx->fname,
                               &qctx->rdataset, &qctx->sigrdataset,