Re: [PATCH] xen/gnttab: fix gnttab_acquire_resource()

[Julien Grall <julien@xxxxxxx>]

Hi Henry,

On 09/09/2022 09:47, Henry Wang wrote:
> > -----Original Message-----
> > From: Juergen Gross <jgross@xxxxxxxx>
> > Subject: [PATCH] xen/gnttab: fix gnttab_acquire_resource()
> >
> > Commit 9dc46386d89d ("gnttab: work around "may be used uninitialized"
> > warning") was wrong, as vaddr can legitimately be NULL in case
> > XENMEM_resource_grant_table_id_status was specified for a grant table
> > v1. This would result in crashes in debug builds due to
> > ASSERT_UNREACHABLE() triggering.
> >
> > Basically revert said commit, but keep returning -ENODATA in that case.
> >
> > Fixes: 9dc46386d89d ("gnttab: work around "may be used uninitialized"
> > warning")
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> > ---
> > Might be considered for 4.17 and for backporting
> Of course, feel free to add:
>
> Release-acked-by: Henry Wang <Henry.Wang@xxxxxxx>
Unrelated to this patch, but as this is your first Released-acked-by 
tag, I wanted to check the policy going forward.
From now, will any new patch need your approval before been merged?

Cheers,

--
Julien Grall