Type of iterator was promoted to unsigned long in 64bit systems.
*header is small structure so it is alwas safe to cast return value
of sizeof operator to int.
Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
                default:
                        DRM_ERROR("bad packet3 type %i at byte %d\n",
                                  header.packet3.packet,
-                                 cmdbuf->buffer->iterator - sizeof(header));
+                                 cmdbuf->buffer->iterator - (int)sizeof(header));
                        return -EINVAL;
                }
 
                default:
                        DRM_ERROR("bad cmd_type %i at byte %d\n",
                                  header->header.cmd_type,
-                                 cmdbuf->buffer->iterator - sizeof(*header));
+                                 cmdbuf->buffer->iterator - (int)sizeof(*header));
                        ret = -EINVAL;
                        goto cleanup;
                }