linux-kernel - Re: [PATCH v2] ASoC: Add a sanity check before using dai driver name

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Message-ID: <CAErzpmvnDs-WBRVCn+wdQw2cxiT+h0gdBci5UqPXEvffRtBmMw@mail.gmail.com>
Date:   Thu, 24 Aug 2017 11:46:39 +0800
From:   Donglin Peng <dolinux.peng@...il.com>
To:     Jeffy Chen <jeffy.chen@...k-chips.com>
Cc:     linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        tiwai@...e.de, Jaroslav Kysela <perex@...ex.cz>,
        alsa-devel@...a-project.org, Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH v2] ASoC: Add a sanity check before using dai driver name

On Thu, Aug 24, 2017 at 11:34 AM, Jeffy Chen <jeffy.chen@...k-chips.com> wrote:
>                 list_for_each_entry(dai, &component->dai_list, list) {
>                         if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)
> -                           && strcmp(dai->driver->name, dlc->dai_name))
> +                           && (!dai->driver->name
> +                               || !strcmp(dai->driver->name, dlc->dai_name))
>                                 continue;

If the dai->driver->name is match with the dlc->dai_name, does it need
to continue?

>
>                         return dai;