Re: [PATCH v2 2/2] drm/bridge: anx7625: Propagate errors from sp_tx_edid_read()

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Thanks Sam!

On Wed, 18 Aug 2021 at 19:40, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
>
> Hi Robert,
>
> On Wed, Aug 18, 2021 at 07:13:18PM +0200, Robert Foss wrote:
> > During the sp_tx_edid_read() call the return value of sp_tx_edid_read()
> > is ignored, which could cause potential errors to go unhandled.
> >
> > All errors which are returned by sp_tx_edid_read() are handled in
> > anx7625_get_edid().
> >
> > Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/bridge/analogix/anx7625.c | 14 ++++++++++----
> >  1 file changed, 10 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > index ea414cd349b5c..abc8db77bfd36 100644
> > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > @@ -845,8 +845,11 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
> >                               if (g_edid_break == 1)
> >                                       break;
> >
> > -                             segments_edid_read(ctx, count / 2,
> > -                                                pblock_buf, offset);
> > +                             ret = segments_edid_read(ctx, count / 2,
> > +                                                      pblock_buf, offset);
> > +                             if (ret < 0)
> > +                                     return ret;
> > +
>
> This could be just "if (ret)".
> Same goes for the next case.
>
> With or without this simplification:
> Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
>
> I assume you will apply the patches.

Applied to drm-misc-next



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