don't allow commiting of empty entry groups

[catta] / avahi-core / entry.c

diff --git a/avahi-core/entry.c b/avahi-core/entry.c
index 81ce1cd2ccd555a39e5e914b963cdf0824cb686b..eb745f208aab5e7d35959672f98603a5e74a6df9 100644 (file)
--- a/avahi-core/entry.c
+++ b/avahi-core/entry.c
@@ -1113,6 +1113,9 @@ int avahi_s_entry_group_commit(AvahiSEntryGroup *g) {
     if (g->state != AVAHI_ENTRY_GROUP_UNCOMMITED && g->state != AVAHI_ENTRY_GROUP_COLLISION)
         return avahi_server_set_errno(g->server, AVAHI_ERR_BAD_STATE);
 
+    if (avahi_s_entry_group_is_empty(g))
+        return avahi_server_set_errno(g->server, AVAHI_ERR_BAD_STATE);
+
     g->n_register_try++;
 
     avahi_timeval_add(&g->register_time,