linux-kernel - Re: [PATCH] ASoC: audio-graph-card: fix type mismatch warning

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Date:   Sat, 13 Jul 2019 12:49:51 +0000
From:   Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Wen Yang <wen.yang99@....com.cn>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: audio-graph-card: fix type mismatch warning

On Fri, 12 Jul 2019 at 11:57, Arnd Bergmann <arnd@...db.de> wrote:
>
> The new temporary variable is lacks a 'const' annotation:
>
> sound/soc/generic/audio-graph-card.c:87:7: error: assigning to 'u32 *' (aka 'unsigned int *') from 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
>
> Fixes: c152f8491a8d ("ASoC: audio-graph-card: fix an use-after-free in graph_get_dai_id()")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>

> ---
>  sound/soc/generic/audio-graph-card.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
> index c8abb86afefa..288df245b2f0 100644
> --- a/sound/soc/generic/audio-graph-card.c
> +++ b/sound/soc/generic/audio-graph-card.c
> @@ -63,7 +63,7 @@ static int graph_get_dai_id(struct device_node *ep)
>         struct device_node *endpoint;
>         struct of_endpoint info;
>         int i, id;
> -       u32 *reg;
> +       const u32 *reg;
>         int ret;
>
>         /* use driver specified DAI ID if exist */
> --
> 2.20.0
>


-- 
Best regards
Oleksandr Suvorov

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