Remove reduntant checks of 'rdclass' in catz.c

We check the `rdclass` to be of type IN in `dns_catz_update_process()`
function, and all the other static functions where similar checks exist
are called after (and in the result of) that function being called,
so they are effectively redundant.

diff --git a/lib/dns/catz.c b/lib/dns/catz.c
index 3c9e60d060e9d01a47ca939be987ad77303fcf13..9d231906d8ede6fa85f5537d4bf012f8ee0d8857 100644 (file)
--- a/lib/dns/catz.c
+++ b/lib/dns/catz.c
@@ -1022,10 +1022,6 @@ catz_process_zones(dns_catz_zone_t *zone, dns_rdataset_t *value,
        REQUIRE(DNS_RDATASET_VALID(value));
        REQUIRE(ISC_MAGIC_VALID(name, DNS_NAME_MAGIC));
 
-       if (value->rdclass != dns_rdataclass_in) {
-               return (ISC_R_FAILURE);
-       }
-
        if (name->labels == 0) {
                return (ISC_R_FAILURE);
        }
@@ -1061,8 +1057,7 @@ catz_process_coo(dns_catz_zone_t *zone, dns_label_t *mhash,
                return (ISC_R_FAILURE);
        }
 
-       if (value->rdclass != dns_rdataclass_in ||
-           value->type != dns_rdatatype_ptr) {
+       if (value->type != dns_rdatatype_ptr) {
                return (ISC_R_FAILURE);
        }
 
@@ -1133,8 +1128,7 @@ catz_process_zones_entry(dns_catz_zone_t *zone, dns_rdataset_t *value,
        dns_rdata_ptr_t ptr;
        dns_catz_entry_t *entry = NULL;
 
-       if (value->rdclass != dns_rdataclass_in ||
-           value->type != dns_rdatatype_ptr) {
+       if (value->type != dns_rdatatype_ptr) {
                return (ISC_R_FAILURE);
        }
 
@@ -1199,8 +1193,7 @@ catz_process_version(dns_catz_zone_t *zone, dns_rdataset_t *value) {
        REQUIRE(DNS_CATZ_ZONE_VALID(zone));
        REQUIRE(DNS_RDATASET_VALID(value));
 
-       if (value->rdclass != dns_rdataclass_in ||
-           value->type != dns_rdatatype_txt) {
+       if (value->type != dns_rdatatype_txt) {
                return (ISC_R_FAILURE);
        }
 
@@ -1299,10 +1292,6 @@ catz_process_primaries(dns_catz_zone_t *zone, dns_ipkeylist_t *ipkl,
         * - label and IN A/IN AAAA
         * - label and IN TXT - TSIG key name
         */
-       if (value->rdclass != dns_rdataclass_in) {
-               return (ISC_R_FAILURE);
-       }
-
        if (name->labels > 0) {
                isc_sockaddr_t sockaddr;
                size_t i;
@@ -1466,8 +1455,7 @@ catz_process_apl(dns_catz_zone_t *zone, isc_buffer_t **aclbp,
        REQUIRE(DNS_RDATASET_VALID(value));
        REQUIRE(dns_rdataset_isassociated(value));
 
-       if (value->rdclass != dns_rdataclass_in ||
-           value->type != dns_rdatatype_apl) {
+       if (value->type != dns_rdatatype_apl) {
                return (ISC_R_FAILURE);
        }