linux-kernel - Re: [PATCH] extcon: remove redundant assignment to variable idx

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Date:   Fri, 17 Apr 2020 12:05:12 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Colin King <colin.king@...onical.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] extcon: remove redundant assignment to variable idx

On 4/16/20 8:08 AM, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The variable idx is being initialized with a value that is never read
> and it is being updated later with a new value.  The initialization is
> redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/extcon/extcon.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
> index 2dfbfec572f9..0a6438cbb3f3 100644
> --- a/drivers/extcon/extcon.c
> +++ b/drivers/extcon/extcon.c
> @@ -900,7 +900,7 @@ int extcon_register_notifier(struct extcon_dev *edev, unsigned int id,
>  			     struct notifier_block *nb)
>  {
>  	unsigned long flags;
> -	int ret, idx = -EINVAL;
> +	int ret, idx;
>  
>  	if (!edev || !nb)
>  		return -EINVAL;
> 

Applied it. Thanks.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics