linux-kernel - Re: [PATCH linux-next] soundwire: intel: Remove unused parameter ret

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Date:   Wed, 14 Sep 2022 09:51:21 +0200
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     cgel.zte@...il.com, vkoul@...nel.org,
        yung-chuan.liao@...ux.intel.com
Cc:     sanyog.r.kale@...el.com, Zeal Robot <zealci@....com.cn>,
        Jinpeng Cui <cui.jinpeng2@....com.cn>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-next] soundwire: intel: Remove unused parameter ret



On 9/14/22 03:52, cgel.zte@...il.com wrote:
> From: Jinpeng Cui <cui.jinpeng2@....com.cn>
> 
> The parameter ret = 0 has not been used.
> Return 0 directly instead of returning ret.

That code will be modified by a cleanup series that is going to land
upstream shortly, see https://github.com/thesofproject/linux/pull/3835

It's not an incorrect change but it will introduce unnecessary churn IMHO.

> 
> Reported-by: Zeal Robot <zealci@....com.cn>
> Signed-off-by: Jinpeng Cui <cui.jinpeng2@....com.cn>
> ---
>  drivers/soundwire/intel.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
> index b006ae6efcb0..26fdf3577454 100644
> --- a/drivers/soundwire/intel.c
> +++ b/drivers/soundwire/intel.c
> @@ -395,7 +395,6 @@ static int intel_shim_init(struct sdw_intel *sdw, bool clock_stop)
>  {
>  	void __iomem *shim = sdw->link_res->shim;
>  	unsigned int link_id = sdw->instance;
> -	int ret = 0;
>  	u16 ioctl = 0, act = 0;
>  
>  	mutex_lock(sdw->link_res->shim_lock);
> @@ -427,7 +426,7 @@ static int intel_shim_init(struct sdw_intel *sdw, bool clock_stop)
>  
>  	mutex_unlock(sdw->link_res->shim_lock);
>  
> -	return ret;
> +	return 0;
>  }
>  
>  static void intel_shim_wake(struct sdw_intel *sdw, bool wake_enable)