linux-kernel - Re: [PATCH -next] ALSA: usb-audio: Remove set but not used variable 'first_ch

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Message-ID: <s5hzhsagoqq.wl-tiwai@suse.de>
Date:   Wed, 09 Jan 2019 10:32:45 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     "JorgeSanjuan" <jorge.sanjuan@...ethink.co.uk>,
        "Ruslan Bilovol" <ruslan.bilovol@...il.com>,
        "Andrew Chant" <achant@...gle.com>,
        "Jaroslav Kysela" <perex@...ex.cz>, <alsa-devel@...a-project.org>,
        <kernel-janitors@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] ALSA: usb-audio: Remove set but not used variable 'first_ch_bits'

On Wed, 09 Jan 2019 03:20:16 +0100,
YueHaibing wrote:
> 
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> sound/usb/mixer.c: In function 'parse_audio_feature_unit':
> sound/usb/mixer.c:1838:28: warning:
>  variable 'first_ch_bits' set but not used [-Wunused-but-set-variable]
> 
> It never used since 2.6
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Thanks, applied now.


Takashi