[CRIU] p.haul: mtouch test "Pre-dump failed"

[Cyrill Gorcunov]

On Sun, Mar 30, 2014 at 01:41:43PM +0400, Andrew Vagin wrote:
> >  
> > -	if (fstatfs(lfd, &buf)) {
> > -		pr_perror("Can't fstatfs file");
> > +	snprintf(t, sizeof(t), "/proc/%d/fd/%d", pid, fd);
> > +	ret = readlink(t, link, sizeof(link));
> > +	if (ret < 0) {
> > +		pr_perror("Can't read link of fd %d", fd);
> > +		return -1;
> > +	} else if ((size_t)ret == sizeof(link)) {
> > +		pr_err("Buffer for read link of fd %d is too small\n", fd);
> >  		return -1;
> >  	}
> 
> link is only 32 bytes. Is it ok?

Good point. Better to provide PATH_MAX instead.