resolve: fix CID#1237549 Unchecked return value

[elogind.git] / src / resolve / resolved-dns-scope.c

diff --git a/src/resolve/resolved-dns-scope.c b/src/resolve/resolved-dns-scope.c
index 039a754ff06fe4a6a8eda461b7389c167b92b13b..fd4f5f7e335b7964ba130fd048d0f920b9426bbc 100644 (file)
--- a/src/resolve/resolved-dns-scope.c
+++ b/src/resolve/resolved-dns-scope.c
@@ -82,10 +82,10 @@ DnsScope* dns_scope_free(DnsScope *s) {
                 dns_transaction_free(t);
         }
 
-        while ((rr = hashmap_steal_first(s->conflict_queue)))
+        while ((rr = ordered_hashmap_steal_first(s->conflict_queue)))
                 dns_resource_record_unref(rr);
 
-        hashmap_free(s->conflict_queue);
+        ordered_hashmap_free(s->conflict_queue);
         sd_event_source_unref(s->conflict_event_source);
 
         dns_cache_flush(&s->cache);
@@ -386,7 +386,7 @@ int dns_scope_llmnr_membership(DnsScope *s, bool b) {
                  * one. This is necessary on some devices, such as
                  * veth. */
                 if (b)
-                        setsockopt(fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreqn, sizeof(mreqn));
+                        (void)setsockopt(fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreqn, sizeof(mreqn));
 
                 if (setsockopt(fd, IPPROTO_IP, b ? IP_ADD_MEMBERSHIP : IP_DROP_MEMBERSHIP, &mreqn, sizeof(mreqn)) < 0)
                         return -errno;
@@ -402,7 +402,7 @@ int dns_scope_llmnr_membership(DnsScope *s, bool b) {
                         return fd;
 
                 if (b)
-                        setsockopt(fd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, &mreq, sizeof(mreq));
+                        (void)setsockopt(fd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, &mreq, sizeof(mreq));
 
                 if (setsockopt(fd, IPPROTO_IPV6, b ? IPV6_ADD_MEMBERSHIP : IPV6_DROP_MEMBERSHIP, &mreq, sizeof(mreq)) < 0)
                         return -errno;
@@ -682,7 +682,7 @@ static int on_conflict_dispatch(sd_event_source *es, usec_t usec, void *userdata
                 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
                 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
 
-                rr = hashmap_steal_first(scope->conflict_queue);
+                rr = ordered_hashmap_steal_first(scope->conflict_queue);
                 if (!rr)
                         break;
 
@@ -709,7 +709,7 @@ int dns_scope_notify_conflict(DnsScope *scope, DnsResourceRecord *rr) {
 
         /* We don't send these queries immediately. Instead, we queue
          * them, and send them after some jitter delay. */
-        r = hashmap_ensure_allocated(&scope->conflict_queue, dns_resource_key_hash_func, dns_resource_key_compare_func);
+        r = ordered_hashmap_ensure_allocated(&scope->conflict_queue, &dns_resource_key_hash_ops);
         if (r < 0) {
                 log_oom();
                 return r;
@@ -718,7 +718,7 @@ int dns_scope_notify_conflict(DnsScope *scope, DnsResourceRecord *rr) {
         /* We only place one RR per key in the conflict
          * messages, not all of them. That should be enough to
          * indicate where there might be a conflict */
-        r = hashmap_put(scope->conflict_queue, rr->key, rr);
+        r = ordered_hashmap_put(scope->conflict_queue, rr->key, rr);
         if (r == -EEXIST || r == 0)
                 return 0;
         if (r < 0) {