daemon: add some minimal OOM checking against D-Bus

[catta] / avahi-daemon / dbus-async-host-name-resolver.c

diff --git a/avahi-daemon/dbus-async-host-name-resolver.c b/avahi-daemon/dbus-async-host-name-resolver.c
index 7f8adb66e96540805f0fe742f0c9acbd27a9f830..588bc11d8accce7bc06642eb9a933fcda4a893ea 100644 (file)
--- a/avahi-daemon/dbus-async-host-name-resolver.c
+++ b/avahi-daemon/dbus-async-host-name-resolver.c
@@ -43,8 +43,8 @@ void avahi_dbus_async_host_name_resolver_free(AsyncHostNameResolverInfo *i) {
     }
     AVAHI_LLIST_REMOVE(AsyncHostNameResolverInfo, async_host_name_resolvers, i->client->async_host_name_resolvers, i);
 
+    assert(i->client->n_objects >= 1);
     i->client->n_objects--;
-    assert(i->client->n_objects >= 0);
 
     avahi_free(i);
 }
@@ -58,6 +58,11 @@ void avahi_dbus_async_host_name_resolver_callback(AvahiSHostNameResolver *r, Ava
 
     reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, avahi_dbus_map_resolve_signal_name(event));
 
+    if (!reply) {
+        avahi_log_error("Failed allocate message");
+        return;
+    }
+
     if (event == AVAHI_RESOLVER_FOUND) {
         char t[AVAHI_ADDRESS_STR_MAX], *pt = t;
         int32_t i_interface, i_protocol, i_aprotocol;
@@ -133,4 +138,3 @@ fail:
 
     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 }
-