linux-kernel - Re: [PATCH -next] ASoC: sprd: Fix to use list_for_each_entry

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Date:   Tue, 30 Apr 2019 11:05:14 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     Wei Yongjun <weiyongjun1@...wei.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        alsa-devel@...a-project.org, LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH -next] ASoC: sprd: Fix to use list_for_each_entry_safe()
 when delete items

Hi,

On Mon, 29 Apr 2019 at 20:27, Wei Yongjun <weiyongjun1@...wei.com> wrote:
>
> Since we will remove items off the list using list_del() we need
> to use a safe version of the list_for_each_entry() macro aptly named
> list_for_each_entry_safe().
>
> Fixes: d7bff893e04f ("ASoC: sprd: Add Spreadtrum multi-channel data transfer support")
> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>

Yes, thanks for your fixes.
Reviewed-by: Baolin Wang <baolin.wang@...aro.org>

> ---
>  sound/soc/sprd/sprd-mcdt.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/sound/soc/sprd/sprd-mcdt.c b/sound/soc/sprd/sprd-mcdt.c
> index 28f5e649733d..df250f7f2b6f 100644
> --- a/sound/soc/sprd/sprd-mcdt.c
> +++ b/sound/soc/sprd/sprd-mcdt.c
> @@ -978,12 +978,12 @@ static int sprd_mcdt_probe(struct platform_device *pdev)
>
>  static int sprd_mcdt_remove(struct platform_device *pdev)
>  {
> -       struct sprd_mcdt_chan *temp;
> +       struct sprd_mcdt_chan *chan, *temp;
>
>         mutex_lock(&sprd_mcdt_list_mutex);
>
> -       list_for_each_entry(temp, &sprd_mcdt_chan_list, list)
> -               list_del(&temp->list);
> +       list_for_each_entry_safe(chan, temp, &sprd_mcdt_chan_list, list)
> +               list_del(&chan->list);
>
>         mutex_unlock(&sprd_mcdt_list_mutex);
>
>
>


-- 
Baolin Wang
Best Regards