Re: [PATCH 1/5] fallocate() implementation in i86, x86_64 and powerpc

[Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>]

On Thu, 3 May 2007 21:29:55 -0700 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> 
wrote:

> > +   ret = -EFBIG;
> > +   if (offset + len > inode->i_sb->s_maxbytes)
> > +           goto out_fput;
> 
> This code does handle offset+len going negative, but only by accident, I
> suspect.

But it doesn't handle offset+len wrapping through zero.