Re: [PATCH 3/3] media: dvb-frontends: drop check because i2c_unregister_device() is NULL safe

From: Kieran Bingham
Date: Fri Sep 22 2023 - 07:49:31 EST


Quoting Wolfram Sang (2023-09-22 09:04:20)
> No need to check the argument of i2c_unregister_device() because the
> function itself does it.
>

Having reviewed the RDACM20 patch, I think I can say this looks accurate
too.

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>

> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> ---
> Build tested only. Please apply to your tree.
>
> drivers/media/dvb-frontends/m88ds3103.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
> index cf037b61b226..26c67ef05d13 100644
> --- a/drivers/media/dvb-frontends/m88ds3103.c
> +++ b/drivers/media/dvb-frontends/m88ds3103.c
> @@ -1920,8 +1920,7 @@ static void m88ds3103_remove(struct i2c_client *client)
>
> dev_dbg(&client->dev, "\n");
>
> - if (dev->dt_client)
> - i2c_unregister_device(dev->dt_client);
> + i2c_unregister_device(dev->dt_client);
>
> i2c_mux_del_adapters(dev->muxc);
>
> --
> 2.30.2
>