[PATCH net-next] net: stmmac: fix missing unlock on error in stmmac_suspend()

[Edmundo Carmona Antoranz]

On Tue, Mar 16, 2021 at 7:50 AM Edmundo Carmona Antoranz
<eantoranz at gmail.com> wrote:

> I think you can let it go and check ret after unlocking:
>
>                 /* Disable clock in case of PWM is off */
>                clk_disable_unprepare(priv->plat->clk_ptp_ref);
>                ret = pm_runtime_force_suspend(dev);
>        }
>        mutex_unlock(&priv->lock);
>        if (ret)
>                return ret;

Oh, I C. It would require ret to be set to 0 before starting to use
it, right? Maybe it's worth it?

>
>        priv->speed = SPEED_UNKNOWN;
>        return 0;
>