linux-kernel - Re: [PATCH] ALSA: usb-audio: Remove redundant assignment to len

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Message-ID: <s5him46yacf.wl-tiwai@suse.de>
Date:   Wed, 28 Apr 2021 12:25:36 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: usb-audio: Remove redundant assignment to len

On Tue, 27 Apr 2021 12:26:34 +0200,
Jiapeng Chong wrote:
> 
> Variable len is set to zero but this value is never read as it is
> overwritten with a new value later on, hence it is a redundant
> assignment and can be removed.
> 
> Cleans up the following clang-analyzer warning:
> 
> sound/usb/mixer.c:2713:3: warning: Value stored to 'len' is never read
> [clang-analyzer-deadcode.DeadStores].
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Thanks, applied.


Takashi