Re: [PATCH 06/11] KVM: selftests: Add missing close and munmap in __vm_mem_region_delete

[Ricardo Koller <ricarkol@google.com>]

On Wed, Mar 16, 2022 at 12:09:44PM -0600, Ben Gardon wrote:
> On Fri, Mar 11, 2022 at 12:02 AM Ricardo Koller <ricarkol@google.com> wrote:
> >
> > Deleting a memslot (when freeing a VM) is not closing the backing fd,
> > nor it's unmapping the alias mapping. Fix by adding the missing close
> > and munmap.
> >
> > Signed-off-by: Ricardo Koller <ricarkol@google.com>
> > ---
> >  tools/testing/selftests/kvm/lib/kvm_util.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> >
> > diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> > index ae21564241c8..c25c79f97695 100644
> > --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> > +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> > @@ -702,6 +702,12 @@ static void __vm_mem_region_delete(struct kvm_vm *vm,
> >         sparsebit_free(&region->unused_phy_pages);
> >         ret = munmap(region->mmap_start, region->mmap_size);
> >         TEST_ASSERT(ret == 0, "munmap failed, rc: %i errno: %i", ret, errno);
> > +       if (region->fd >= 0) {
> > +       /* There's an extra map if shared memory. */
> 
> Nit: indentation

Will fix in v2.

Thanks for the reviews!
> 
> > +               ret = munmap(region->mmap_alias, region->mmap_size);
> > +               TEST_ASSERT(ret == 0, "munmap failed, rc: %i errno: %i", ret, errno);
> > +               close(region->fd);
> > +       }
> >
> >         free(region);
> >  }
> > --
> > 2.35.1.723.g4982287a31-goog
> >
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