ib_is_buffer_cleared
if (!ib_is_buffer_cleared(attrs->ucore.inbuf + req_len,
if (!ib_is_buffer_cleared(iter->cur, iter->end - iter->cur))
return ib_is_buffer_cleared(u64_to_user_ptr(uattr->data) + len,
return ib_is_buffer_cleared(udata->inbuf + offset, len);