[PATCH v4] xfs: check for possible overflow in xfs_ioc_trim

[Ben Myers]

On Wed, Aug 15, 2012 at 08:23:32AM -0400, Tomas Racek wrote:
> Forwarding to maintainers.

Thanks Tomas.  We'll get this sorted.

Regards,
	Ben

> 
> ----- Original Message -----
> > On Tue, Aug 14, 2012 at 10:35:04AM +0200, Tomas Racek wrote:
> > > If range.start or range.minlen is bigger than filesystem size,
> > > return
> > > invalid value error. This fixes possible overflow in BTOBB macro
> > > when
> > > passed value was nearly ULLONG_MAX.
> > > 
> > > Signed-off-by: Tomas Racek <tracek at redhat.com>
> > 
> > looks ok to me.
> > 
> > Reviewed-by: Dave Chinner <dchinner at redhat.com>
> > --
> > Dave Chinner
> > david at fromorbit.com
> >