Re: [PATCH v3 1/3] drm/bridge: anx7625: Convert to use devm_kzalloc

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hi Robert,

The second patch depends on "drm/bridge: anx7625: send DPCD command to
downstream" (https://patchwork.kernel.org/project/dri-devel/patch/1f36f8bf0a48fb2bba17bacec23700e58c1d407d.1641891874.git.xji@xxxxxxxxxxxxxxxx/).
But I'm waiting for Xin Ji's response for that patch.

Thanks

On Mon, Jan 17, 2022 at 5:40 PM Robert Foss <robert.foss@xxxxxxxxxx> wrote:
>
> Hey Hsin-Yi,
>
>
> On Thu, 13 Jan 2022 at 09:29, Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> wrote:
> >
> > Use devm_kzalloc instead of kzalloc and drop kfree(). Let the memory
> > handled by driver detach.
> >
> > Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
> > Reviewed-by: Xin Ji <xji@xxxxxxxxxxxxxxxx>
> > ---
> > v2->v3: remove kfree() in anx7625_i2c_remove().
> > ---
> >  drivers/gpu/drm/bridge/analogix/anx7625.c | 10 +++-------
> >  1 file changed, 3 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > index 0b858c78abe8b6..d3661c78770a8f 100644
> > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > @@ -2515,7 +2515,7 @@ static int anx7625_i2c_probe(struct i2c_client *client,
> >                 return -ENODEV;
> >         }
> >
> > -       platform = kzalloc(sizeof(*platform), GFP_KERNEL);
> > +       platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
> >         if (!platform) {
> >                 DRM_DEV_ERROR(dev, "fail to allocate driver data\n");
> >                 return -ENOMEM;
> > @@ -2527,7 +2527,7 @@ static int anx7625_i2c_probe(struct i2c_client *client,
> >         if (ret) {
> >                 if (ret != -EPROBE_DEFER)
> >                         DRM_DEV_ERROR(dev, "fail to parse DT : %d\n", ret);
> > -               goto free_platform;
> > +               return ret;
> >         }
> >
> >         platform->client = client;
> > @@ -2552,7 +2552,7 @@ static int anx7625_i2c_probe(struct i2c_client *client,
> >         if (!platform->hdcp_workqueue) {
> >                 dev_err(dev, "fail to create work queue\n");
> >                 ret = -ENOMEM;
> > -               goto free_platform;
> > +               return ret;
> >         }
> >
> >         platform->pdata.intp_irq = client->irq;
> > @@ -2637,9 +2637,6 @@ static int anx7625_i2c_probe(struct i2c_client *client,
> >         if (platform->hdcp_workqueue)
> >                 destroy_workqueue(platform->hdcp_workqueue);
> >
> > -free_platform:
> > -       kfree(platform);
> > -
> >         return ret;
> >  }
> >
> > @@ -2666,7 +2663,6 @@ static int anx7625_i2c_remove(struct i2c_client *client)
> >         if (platform->pdata.audio_en)
> >                 anx7625_unregister_audio(platform);
> >
> > -       kfree(platform);
> >         return 0;
> >  }
> >
>
> I just had a look at applying this series, but it fails to apply on
> drm-misc-next today.
>
> Could you send a v4 that applies cleanly, and I'll try to be quick
> about applying it.
>
>
> Rob.



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