linux-kernel - Re: [PATCH] ASoC: fsl_asrc: protect macro argument

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170807070806.GA8208@Asurada>
Date:   Mon, 7 Aug 2017 00:08:07 -0700
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Stefan Agner <stefan@...er.ch>
Cc:     timur@...i.org, Xiubo.Lee@...il.com, fabio.estevam@....com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: fsl_asrc: protect macro argument

On Sun, Aug 06, 2017 at 11:36:57PM -0700, Stefan Agner wrote:
> Protect macro argument with parentheses to avoid ambiguity.
> This fixes a warning seen with clang:
>   warning: logical not is only applied to the left hand side of this comparison
> 
> Signed-off-by: Stefan Agner <stefan@...er.ch>

Acked-by: Nicolin Chen <nicoleotsuka@...il.com>

Thanks

> ---
>  sound/soc/fsl/fsl_asrc.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h
> index 0f163abe4ba3..ec33dab4b909 100644
> --- a/sound/soc/fsl/fsl_asrc.h
> +++ b/sound/soc/fsl/fsl_asrc.h
> @@ -57,7 +57,7 @@
>  #define REG_ASRDOC			0x74
>  #define REG_ASRDI(i)			(REG_ASRDIA + (i << 3))
>  #define REG_ASRDO(i)			(REG_ASRDOA + (i << 3))
> -#define REG_ASRDx(x, i)			(x == IN ? REG_ASRDI(i) : REG_ASRDO(i))
> +#define REG_ASRDx(x, i)			((x) == IN ? REG_ASRDI(i) : REG_ASRDO(i))
>  
>  #define REG_ASRIDRHA			0x80
>  #define REG_ASRIDRLA			0x84
> -- 
> 2.13.3
>