Update resquery_senddone handling of ISC_R_CONNECTIONRESET

Treat connection reset as an address specific error.

(cherry picked from commit 4e3dd85b8ddcb3ec7c9e7031ff844a3c4a987c53)

diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
index 4fe2d908f616b9de6dc4e57de1e777f385228a99..1381c2dcbf11fbbb86ee009d4df3271b696314d9 100644 (file)
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -1927,6 +1927,7 @@ resquery_senddone(isc_result_t eresult, isc_region_t *region, void *arg) {
        case ISC_R_NOPERM:
        case ISC_R_ADDRNOTAVAIL:
        case ISC_R_CONNREFUSED:
+       case ISC_R_CONNECTIONRESET:
                /* No route to remote. */
                FCTXTRACE3("query canceled in resquery_senddone(): "
                           "no route to host; no response",