linux-kernel - Re: [PATCH] drm/amd/display: cleanup the code a bit

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Date:   Wed, 17 Nov 2021 16:37:05 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Christian König <ckoenig.leichtzumerken@...il.com>
Cc:     Bernard Zhao <bernard@...o.com>,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amd/display: cleanup the code a bit

Applied.  Thanks!

On Tue, Nov 16, 2021 at 4:19 AM Christian König
<ckoenig.leichtzumerken@...il.com> wrote:
>
> Am 16.11.21 um 02:34 schrieb Bernard Zhao:
> > In function dc_sink_destruct, kfree will check pointer, no need
> > to check again.
> > This change is to cleanup the code a bit.
> >
> > Signed-off-by: Bernard Zhao <bernard@...o.com>
>
> This one and the other patch are Acked-by: Christian König
> <christian.koenig@....com>
>
> > ---
> >   drivers/gpu/drm/amd/display/dc/core/dc_sink.c | 10 +---------
> >   1 file changed, 1 insertion(+), 9 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_sink.c b/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
> > index a249a0e5edd0..4b5e4d8e7735 100644
> > --- a/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
> > +++ b/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
> > @@ -33,14 +33,6 @@
> >    * Private functions
> >    ******************************************************************************/
> >
> > -static void dc_sink_destruct(struct dc_sink *sink)
> > -{
> > -     if (sink->dc_container_id) {
> > -             kfree(sink->dc_container_id);
> > -             sink->dc_container_id = NULL;
> > -     }
> > -}
> > -
> >   static bool dc_sink_construct(struct dc_sink *sink, const struct dc_sink_init_data *init_params)
> >   {
> >
> > @@ -75,7 +67,7 @@ void dc_sink_retain(struct dc_sink *sink)
> >   static void dc_sink_free(struct kref *kref)
> >   {
> >       struct dc_sink *sink = container_of(kref, struct dc_sink, refcount);
> > -     dc_sink_destruct(sink);
> > +     kfree(sink->dc_container_id);
> >       kfree(sink);
> >   }
> >
>