linux-kernel - Re: [PATCH 1/2] rtlwifi: rtl8192de: Remove redundant variable initializations

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Message-ID: <3f55848b4612d1b17d95a4c36bec1dee2b1814f1.camel@perches.com>
Date:   Mon, 02 Aug 2021 01:35:35 -0700
From:   Joe Perches <joe@...ches.com>
To:     Colin King <colin.king@...onical.com>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] rtlwifi: rtl8192de: Remove redundant variable
 initializations

On Sat, 2021-07-31 at 13:40 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The variables rtstatus and place are being initialized with a values that
> are never read, the initializations are redundant and can be removed.

trivia:

> diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
[]
> @@ -1362,7 +1362,7 @@ u8 rtl92d_get_rightchnlplace_for_iqk(u8 chnl)
>  		132, 134, 136, 138, 140, 149, 151, 153, 155,
>  		157, 159, 161, 163, 165
>  	};
> -	u8 place = chnl;
> +	u8 place;
>  
> 
>  	if (chnl > 14) {
>  		for (place = 14; place < sizeof(channel_all); place++) {

This line should probably be

		for (place = 14; place < ARRAY_SIZE(channel_all); place++) {