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From: Jason Gunthorpe <jgg@ziepe.ca>
To: Danil Kipnis <danil.kipnis@cloud.ionos.com>
Cc: Bart Van Assche <bvanassche@acm.org>,
	linux-block@vger.kernel.org, linux-rdma@vger.kernel.org,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	Jens Axboe <axboe@kernel.dk>, Doug Ledford <dledford@redhat.com>,
	Leon Romanovsky <leon@kernel.org>,
	Jinpu Wang <jinpu.wang@cloud.ionos.com>,
	kbuild test robot <lkp@intel.com>
Subject: Re: [PATCH v2] rtrs-clt: silence kbuild test inconsistent intenting smatch warning
Date: Wed, 20 May 2020 16:11:05 -0300	[thread overview]
Message-ID: <20200520191105.GK31189@ziepe.ca> (raw)
In-Reply-To: <CAHg0Huy3JmK=iFSrEFhbv==KFJusNr6Z+=H7Xwf+fHEZU2pYmQ@mail.gmail.com>

On Wed, May 20, 2020 at 12:04:28PM +0200, Danil Kipnis wrote:
> On Wed, May 20, 2020 at 1:38 AM Jason Gunthorpe <jgg@ziepe.ca> wrote:
> >
> > On Tue, May 19, 2020 at 07:29:15AM -0700, Bart Van Assche wrote:
> > > diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> > > index 468fdd0d8713..8dfa56dc32bc 100644
> > > +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> > > @@ -727,18 +727,13 @@ struct path_it {
> > >       struct rtrs_clt_sess *(*next_path)(struct path_it *it);
> > >  };
> > >
> > > -#define do_each_path(path, clt, it) {                                        \
> > > -     path_it_init(it, clt);                                          \
> > > -     rcu_read_lock();                                                \
> > > -     for ((it)->i = 0; ((path) = ((it)->next_path)(it)) &&           \
> > > -                       (it)->i < (it)->clt->paths_num;               \
> > > +#define for_each_path(path, clt, it)                                 \
> > > +     for (path_it_init((it), (clt)), rcu_read_lock(), (it)->i = 0;   \
> > > +          (((path) = ((it)->next_path)(it)) &&                       \
> > > +           (it)->i < (it)->clt->paths_num) ||                        \
> > > +                  (path_it_deinit(it), rcu_read_unlock(), 0);        \
> > >            (it)->i++)
> >
> > That is nicer, even better to write it with some inlines..
> 
> You mean pass a callback to an inline function that would iterate?

no, just wrap some of that logic embedded in the for statement in some
inlines, not sure

Jason

  reply	other threads:[~2020-05-20 19:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19 11:29 [PATCH v2] rtrs-clt: silence kbuild test inconsistent intenting smatch warning Danil Kipnis
2020-05-19 14:29 ` Bart Van Assche
2020-05-19 23:38   ` Jason Gunthorpe
2020-05-20 10:04     ` Danil Kipnis
2020-05-20 19:11       ` Jason Gunthorpe [this message]
2020-05-22  5:39         ` [PATCH] RDMA/rtrs: get rid of the do_next_path while_next_path macros Danil Kipnis
2020-05-23  0:24           ` Jason Gunthorpe
2020-05-20 10:02   ` [PATCH v2] rtrs-clt: silence kbuild test inconsistent intenting smatch warning Danil Kipnis

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