Re: [PATCH] drm: i915: fix a possible refcount leak in intel_dp_add_mst_connector()

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On Thu, 2022-06-23 at 13:44 +0000, Souza, Jose wrote:
> On Mon, 2022-05-16 at 15:19 +0800, Hangyu Hua wrote:
> > If drm_connector_init fails, intel_connector_free will be called to take 
> > care of proper free. So it is necessary to drop the refcount of port 
> > before intel_connector_free.
> 
> Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>

Don't know why but our CI did not caught your patch.
Can you please resend it with my Reviewed-by to intel-gfx@xxxxxxxxxxxxxxxxxxxxx ?

> 
> > 
> > Fixes: 091a4f91942a ("drm/i915: Handle drm-layer errors in intel_dp_add_mst_connector")
> > Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/display/intel_dp_mst.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> > index e30e698aa684..f7d46ea3afb9 100644
> > --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> > +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> > @@ -841,6 +841,7 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
> >  	ret = drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs,
> >  				 DRM_MODE_CONNECTOR_DisplayPort);
> >  	if (ret) {
> > +		drm_dp_mst_put_port_malloc(port);
> >  		intel_connector_free(intel_connector);
> >  		return NULL;
> >  	}
> 





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