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From:   Fabio Estevam <festevam@gmail.com>
Date:   Mon, 2 Sep 2019 23:38:54 -0300
Message-ID: <CAOMZO5CHmvrbVG_h8hOb7hMjXasV_QwtNoXpEw9kqY=4Jj5HAg@mail.gmail.com>
Subject: Re: [PATCH V2 2/5] input: keyboard: imx_sc: Add i.MX system
 controller power key support
To:     Anson Huang <Anson.Huang@nxp.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Sascha Hauer <kernel@pengutronix.de>,
        Catalin Marinas <catalin.marinas@arm.com>, will@kernel.org,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Dong Aisheng <aisheng.dong@nxp.com>,
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Hi Anson,

On Mon, Sep 2, 2019 at 11:05 PM Anson Huang <Anson.Huang@nxp.com> wrote:

> +       ret = input_register_device(input);
> +       if (ret < 0) {
> +               dev_err(&pdev->dev, "failed to register input device\n");
> +               return ret;
> +       }
> +
> +       pdata->input = input;
> +       platform_set_drvdata(pdev, pdata);
> +
> +       ret = imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON, true);
> +       if (ret) {
> +               dev_warn(&pdev->dev, "enable scu group irq failed\n");
> +               return ret;

Better do a 'goto input_unregister' here instead and call
input_unregister_device().