Re: [PATCH] rdma/siw: Use proper enumerated type in map_cqe_status

From: Nathan Chancellor
Date: Wed Jul 10 2019 - 23:02:51 EST


On Wed, Jul 10, 2019 at 04:53:50PM -0700, Nick Desaulniers wrote:
> On Wed, Jul 10, 2019 at 11:26 AM Jason Gunthorpe <jgg@xxxxxxxx> wrote:
> >
> > On Wed, Jul 10, 2019 at 10:48:00AM -0700, Nathan Chancellor wrote:
> > > clang warns several times:
> > >
> > > drivers/infiniband/sw/siw/siw_cq.c:31:4: warning: implicit conversion
> > > from enumeration type 'enum siw_wc_status' to different enumeration type
> > > 'enum siw_opcode' [-Wenum-conversion]
> > Weird that gcc doesn't warn on this by default..
>
> Based on the sheer number of -Wenum-conversion that Nathan has fixed,
> I don't think gcc has -Wenum-conversion (or it's somehow disabled just
> for gcc).
> --
> Thanks,
> ~Nick Desaulniers

Yes, as far as I am aware, GCC does not warn on implicit enum
conversions (which I think defeats the purpose of enumerated types
*shrugs*).

Cheers,
Nathan