On Sat, Oct 19, 2019 at 09:04:31PM +0200, Julia Lawall wrote:
> 
> 
> On Sat, 19 Oct 2019, Wambui Karuga wrote:
> 
> > From: Wambui Karuga <wambui.karu...@gmail.com>
> >
> > Remove unnecessary variable `ret` in drm_dp_atomic_find_vcpi_slots()
> > only used to hold the function return value and have the function
> > return the value directly.
> 
> This patch applies for me, but with a huge offset.  What tree are you
> using?

For drm patches best practices is to base patches either on linux-next or
the drm-tip tree we have here:

https://cgit.freedesktop.org/drm-tip

drm moves quickly, so need to be on top of the latest version.

> Also, Greg won't apply this, because it's not targeting staging.  Is this
> for a specific outreachy project?

Yup it's for dri-devel, just applied it.

Thanks for the patch, nice cleanup!

Cheers, Daniel

> 
> julia
> 
> 
> > Issue found by coccinelle:
> > @@
> > local idexpression ret;
> > expression e;
> > @@
> >
> > -ret =
> > +return
> >      e;
> > -return ret;
> >
> > Signed-off-by: Wambui Karuga <wambui.karu...@gmail.com>
> > ---
> >  drivers/gpu/drm/drm_dp_mst_topology.c | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c 
> > b/drivers/gpu/drm/drm_dp_mst_topology.c
> > index 9cccc5e63309..b854a422a523 100644
> > --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> > +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> > @@ -3540,7 +3540,7 @@ int drm_dp_atomic_find_vcpi_slots(struct 
> > drm_atomic_state *state,
> >  {
> >     struct drm_dp_mst_topology_state *topology_state;
> >     struct drm_dp_vcpi_allocation *pos, *vcpi = NULL;
> > -   int prev_slots, req_slots, ret;
> > +   int prev_slots, req_slots;
> >
> >     topology_state = drm_atomic_get_mst_topology_state(state, mgr);
> >     if (IS_ERR(topology_state))
> > @@ -3587,8 +3587,7 @@ int drm_dp_atomic_find_vcpi_slots(struct 
> > drm_atomic_state *state,
> >     }
> >     vcpi->vcpi = req_slots;
> >
> > -   ret = req_slots;
> > -   return ret;
> > +   return req_slots;
> >  }
> >  EXPORT_SYMBOL(drm_dp_atomic_find_vcpi_slots);
> >
> > --
> > 2.23.0
> >
> > --
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> > To view this discussion on the web visit 
> > https://groups.google.com/d/msgid/outreachy-kernel/20191019071840.16877-1-wambui%40karuga.xyz.
> >

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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