[CRIU] [PATCH 1/5] files: Fix crossing unused and service fds of shared fd tables

[Cyrill Gorcunov]

On Thu, Jun 08, 2017 at 02:33:31PM +0300, Kirill Tkhai wrote:
> >> +int service_fd_min_fd(struct pstree_item *item)
> >>  {
> >> -	return service_fd_rlim_cur - (SERVICE_FD_MAX - 1) - SERVICE_FD_MAX * service_fd_id;
> >> +	struct fdt *fdt = rsti(item)->fdt;
> >> +	int id = 0;
> >> +
> >> +	if (fdt)
> >> +		id = fdt->nr - 1;
> > 
> > Why -1 here?
> 
> service_fd has numbers from 0 to fdt->nr-1, so we have to take the biggest number,
> and it is be the biggest offset. I based on this. Is there wrong assumption?

That's fine. Thanks.