linux-kernel - Re: [PATCH v2 3/3] driver core: Replace open-coded list_last

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Date:   Tue, 24 Mar 2020 13:53:49 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v2 3/3] driver core: Replace open-coded list_last_entry()

On Tue, Mar 24, 2020 at 1:20 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> There is a place in the code where open-coded version of list entry accessors
> list_last_entry() is used.
>
> Replace that with the standard macro.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> ---
> v2: no change
>  drivers/base/dd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/base/dd.c b/drivers/base/dd.c
> index efd0e4c16ba5..27a4d51b5bba 100644
> --- a/drivers/base/dd.c
> +++ b/drivers/base/dd.c
> @@ -1226,7 +1226,7 @@ void driver_detach(struct device_driver *drv)
>                         spin_unlock(&drv->p->klist_devices.k_lock);
>                         break;
>                 }
> -               dev_prv = list_entry(drv->p->klist_devices.k_list.prev,
> +               dev_prv = list_last_entry(&drv->p->klist_devices.k_list,
>                                      struct device_private,
>                                      knode_driver.n_node);
>                 dev = dev_prv->device;
> --
> 2.25.1
>