don't try to allocate zero bytes

diff --git a/source/groupdb/mapping.c b/source/groupdb/mapping.c
index e732f26c156d4e87356849d6cf7e2df1aeb9d3f7..c4166ac259c930089036c11ee9661e393e69158f 100644 (file)
--- a/source/groupdb/mapping.c
+++ b/source/groupdb/mapping.c
@@ -530,11 +530,10 @@ BOOL get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map, BOOL with_priv)
        ret += tdb_unpack(dbuf.dptr+ret, dbuf.dsize-ret, "d", &set->count);
 
        DEBUG(10,("get_group_map_from_sid: %d privileges\n", map->priv_set.count));
-       
-       set->set=(LUID_ATTR *)malloc(set->count*sizeof(LUID_ATTR));
-       if (set->set==NULL) {
-               DEBUG(0,("get_group_map_from_sid: could not allocate memory for privileges\n"));
-               return False;
+
+       set->set = NULL;
+       if (set->count) {
+               set->set=(LUID_ATTR *)smb_xmalloc(set->count*sizeof(LUID_ATTR));
        }
 
        for (i=0; i<set->count; i++)
@@ -591,11 +590,9 @@ BOOL get_group_map_from_gid(gid_t gid, GROUP_MAP *map, BOOL with_priv)
 
                set=&map->priv_set;
                ret += tdb_unpack(dbuf.dptr+ret, dbuf.dsize-ret, "d", &set->count);
-       
-               set->set=(LUID_ATTR *)malloc(set->count*sizeof(LUID_ATTR));
-               if (set->set==NULL) {
-                       DEBUG(0,("get_group_map_from_gid: could not allocate memory for privileges\n"));
-                       return False;
+               set->set = NULL;
+               if (set->count) {
+                       set->set=(LUID_ATTR *)smb_xmalloc(set->count*sizeof(LUID_ATTR));
                }
 
                for (i=0; i<set->count; i++)