[dpdk-dev] [PATCH v5 1/7] bus: fix bus name registration

[Gaëtan Rivet]

On Tue, Jun 27, 2017 at 09:19:14PM +0200, Jan Blunck wrote:
> On Wed, Jun 21, 2017 at 1:30 AM, Gaetan Rivet <gaetan.rivet at 6wind.com> wrote:
> > The default bus registration function should not result in buses
> > registering with double quotes within their names.
> >
> 
> This is breaking expectations with users. All other registration macro
> pass the names through the stringification. The problem is that you
> pass in the name as a string already ("PCI" instead of PCI).
> 
> 

I agree that it does not behave as expected.
However, all buses are currently using it this way, and this
cannot be fixed if maintainers keep using public define's
for their bus name.

> > Fixes: a97725791eec ("bus: introduce bus abstraction")
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Gaetan Rivet <gaetan.rivet at 6wind.com>
> > ---
> >  lib/librte_eal/common/include/rte_bus.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h
> > index fcc2442..b220299 100644
> > --- a/lib/librte_eal/common/include/rte_bus.h
> > +++ b/lib/librte_eal/common/include/rte_bus.h
> > @@ -254,7 +254,7 @@ struct rte_bus *rte_bus_find_by_device(const struct rte_device *dev);
> >  #define RTE_REGISTER_BUS(nm, bus) \
> >  static void __attribute__((constructor(101), used)) businitfn_ ##nm(void) \
> >  {\
> > -       (bus).name = RTE_STR(nm);\
> > +       (bus).name = nm;\
> >         rte_bus_register(&bus); \
> >  }
> >
> > --
> > 2.1.4
> >

-- 
Gaëtan Rivet
6WIND