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SubjectRe: [PATCH] rbd: avoid clang -Wuninitialized warning
On Fri, Mar 22, 2019 at 5:55 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> On Fri, Mar 22, 2019 at 5:33 PM Ilya Dryomov <idryomov@gmail.com> wrote:
> >
> > On Fri, Mar 22, 2019 at 3:36 PM Arnd Bergmann <arnd@arndb.de> wrote:
> > >
> > > diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
> > > index 4ba967d65cf9..cbcc3baf3807 100644
> > > --- a/drivers/block/rbd.c
> > > +++ b/drivers/block/rbd.c
> > > @@ -2399,7 +2399,7 @@ static int rbd_obj_read_from_parent(struct rbd_obj_request *obj_req)
> > > &obj_req->bvec_pos);
> > > break;
> > > default:
> > > - rbd_assert(0);
> > > + BUG();
> > > }
> > > } else {
> > > ret = rbd_img_fill_from_bvecs(child_img_req,
> >
> > Hi Arnd,
> >
> > You did a couple of these last year in commit c6244b3b2377 ("rbd: avoid
> > Wreturn-type warnings").
>
> Ah, I had completely forgotten about that. Different bug and different
> compiler, but same solution ;-)
>
> > Let's change all of those default cases to BUG
> > in one go. Do you want to do that or should I?
>
> I've prepared another patch now and sent it out, please
> apply it on top. I'd like this one-line patch to stay separate though
> since it captures the warning message and may need to
> be backported to stable kernels later.

Applied.

Thanks,

Ilya

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