On Tue, Oct 11, 2016 at 10:53:55AM -0600, Jason Gunthorpe wrote:
> On Tue, Oct 11, 2016 at 02:23:15PM +0300, Jarkko Sakkinen wrote:
> > > >+ chip->bios_dir[cnt] =
> > > > securityfs_create_file("ascii_bios_measurements",
> > > >- S_IRUSR | S_IRGRP, tpm_dir,
> > > >+ S_IRUSR | S_IRGRP, chip->bios_dir[0],
> > > > (void
> > > > *)&tpm_ascii_b_measurments_seqops,
> > > > &tpm_bios_measurements_ops);
>
> > > >+ if (is_bad(chip->bios_dir[cnt]))
> > > >+ goto err;
>
> > > >+err:
> > > >+ chip->bios_dir[cnt] = NULL;
> > >
> > > The updated patch looks fine.
> > > Just, I am not sure if NULL assignment is needed.
> >
> > It's not needed.
>
> It is required to switch an ERR_PTR to NULL, see is_bad()
>
> The original version that used a counter in chip did not need it.
Oops, sorry. I added it back. Thanks for pointing this out.
> Jason
/Jarkko
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