[PATCH v2 2/2] advapi32: Don't read the key name if the root key handle is invalid

[Alex Henrie]

On Wed, Nov 7, 2018 at 9:11 AM Alexandre Julliard <julliard at winehq.org> wrote:
>
> Alex Henrie <alexhenrie24 at gmail.com> writes:
>
> > Signed-off-by: Alex Henrie <alexhenrie24 at gmail.com>
> > ---
> >  dlls/advapi32/registry.c       | 2 ++
> >  dlls/advapi32/tests/registry.c | 6 ++++++
> >  2 files changed, 8 insertions(+)
> >
> > diff --git a/dlls/advapi32/registry.c b/dlls/advapi32/registry.c
> > index 0a8ccfbf20..4b33ade88c 100644
> > --- a/dlls/advapi32/registry.c
> > +++ b/dlls/advapi32/registry.c
> > @@ -313,6 +313,8 @@ static inline HKEY get_special_root_hkey( HKEY hkey, REGSAM access )
> >  {
> >      HKEY ret = hkey;
> >
> > +    if (hkey == INVALID_HANDLE_VALUE) return 0;
>
> There shouldn't be any reason to check for INVALID_HANDLE_VALUE, it
> doesn't have a special meaning. I expect you'll get the same behavior
> with any other invalid handle.

Is there a straightforward way to check whether the handle is valid?

-Alex