Do not convert ISC_R_NOSPACE to DNS_R_SERVFAIL too early

The parsing loop needs to process ISC_R_NOSPACE to properly
size the buffer.  If result is still ISC_R_NOSPACE at the end
of the parsing loop set result to DNS_R_SERVFAIL.

diff --git a/lib/dns/sdlz.c b/lib/dns/sdlz.c
index 5476ef391f05fc8ec00da7a0ce91e7794b278670..5eea5cb6b96f1077a8e7dc502b6992355cfa98b0 100644 (file)
--- a/lib/dns/sdlz.c
+++ b/lib/dns/sdlz.c
@@ -1852,7 +1852,6 @@ dns_sdlz_putrr(dns_sdlzlookup_t *lookup, const char *type, dns_ttl_t ttl,
                                            mctx, rdatabuf, &lookup->callbacks);
                if (result != ISC_R_SUCCESS) {
                        isc_buffer_free(&rdatabuf);
-                       result = DNS_R_SERVFAIL;
                }
                if (size >= 65535) {
                        break;
@@ -1864,6 +1863,7 @@ dns_sdlz_putrr(dns_sdlzlookup_t *lookup, const char *type, dns_ttl_t ttl,
        } while (result == ISC_R_NOSPACE);
 
        if (result != ISC_R_SUCCESS) {
+               result = DNS_R_SERVFAIL;
                goto failure;
        }