linux-kernel - Re: [PATCH] Fix logical-not-parentheses warning

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Date:	Mon, 03 Aug 2015 10:15:50 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	"Tomer Barletz" <barletz@...il.com>
Cc:	<clemens@...isch.de>, <perex@...ex.cz>,
	<alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Fix logical-not-parentheses warning

On Sun, 02 Aug 2015 11:08:57 +0200,
Tomer Barletz wrote:
> 
> This fixes the following warning, that is seen with gcc 5.1:
> warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses].
> 
> Signed-off-by: Tomer Barletz <barletz@...il.com>

Applied, thanks.


Takashi

> ---
>  sound/pci/oxygen/oxygen_mixer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
> index 6492bca..4ca1266 100644
> --- a/sound/pci/oxygen/oxygen_mixer.c
> +++ b/sound/pci/oxygen/oxygen_mixer.c
> @@ -88,7 +88,7 @@ static int dac_mute_put(struct snd_kcontrol *ctl,
>  	int changed;
>  
>  	mutex_lock(&chip->mutex);
> -	changed = !value->value.integer.value[0] != chip->dac_mute;
> +	changed = (!value->value.integer.value[0]) != chip->dac_mute;
>  	if (changed) {
>  		chip->dac_mute = !value->value.integer.value[0];
>  		chip->model.update_dac_mute(chip);
> -- 
> 2.4.3
> 
> 
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