Re: [PATCH for-next 4/7] RDMA/bnxt_re: Refactor net ring allocation function

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On Mon, Jan 27, 2020 at 01:10:10PM +0530, Devesh Sharma wrote:
> > >  static int bnxt_re_alloc_res(struct bnxt_re_dev *rdev)
> > >  {
> > > +     struct bnxt_qplib_ctx *qplib_ctx;
> > > +     struct bnxt_re_ring_attr rattr;
> > >       int num_vec_created = 0;
> > > -     dma_addr_t *pg_map;
> > >       int rc = 0, i;
> > > -     int pages;
> > >       u8 type;
> > >
> > > +     memset(&rattr, 0, sizeof(rattr));
> >
> > Initialize rattr to zero from the beginning and save call to memset.
> I moved from static initialization to memset due to some sparse/smatch
> warnings, rattr has a "pointer member".

That is why you need to use = {} not the weird '= {0}' version

0 initializes the first member to zero and default initializes the rest
which doesn't work properly if the first member is not an integral
value.

Jason




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