add insist to try to prevent coverity false positive

diff --git a/lib/dns/adb.c b/lib/dns/adb.c
index 00be5c595605860fa573d31f2713f59eb09ada5f..932f95a0d1ab07388d0819068e5f209d2d7e6eb3 100644 (file)
--- a/lib/dns/adb.c
+++ b/lib/dns/adb.c
@@ -962,6 +962,7 @@ clean_namehooks(dns_adb_t *adb, dns_adbnamehooklist_t *namehooks) {
                                if (addr_bucket != DNS_ADB_INVALIDBUCKET)
                                        UNLOCK(&adb->entrylocks[addr_bucket]);
                                addr_bucket = entry->lock_bucket;
+                               INSIST(addr_bucket != DNS_ADB_INVALIDBUCKET);
                                LOCK(&adb->entrylocks[addr_bucket]);
                        }