netdev - RE: [PATCH 3/6] rtlwifi: rtl8192ee: Remove set but not used variable 'err'

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Date:   Tue, 1 Oct 2019 09:38:52 +0000
From:   Pkshih <pkshih@...ltek.com>
To:     zhengbin <zhengbin13@...wei.com>,
        "kvalo@...eaurora.org" <kvalo@...eaurora.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH 3/6] rtlwifi: rtl8192ee: Remove set but not used variable 'err'


> -----Original Message-----
> From: linux-wireless-owner@...r.kernel.org [mailto:linux-wireless-owner@...r.kernel.org] On Behalf
> Of zhengbin
> Sent: Monday, September 30, 2019 4:55 PM
> To: Pkshih; kvalo@...eaurora.org; davem@...emloft.net; linux-wireless@...r.kernel.org;
> netdev@...r.kernel.org
> Cc: zhengbin13@...wei.com
> Subject: [PATCH 3/6] rtlwifi: rtl8192ee: Remove set but not used variable 'err'
> 
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c: In function rtl92ee_download_fw:
> drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c:111:6: warning: variable err set but not used
> [-Wunused-but-set-variable]
> 
> It is not used since commit c93ac39da006 ("rtlwifi:
> Remove some redundant code")
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: zhengbin <zhengbin13@...wei.com>
> ---
>  drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
> b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
> index 67305ce..322798c 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
> @@ -108,7 +108,6 @@ int rtl92ee_download_fw(struct ieee80211_hw *hw, bool buse_wake_on_wlan_fw)
>  	struct rtlwifi_firmware_header *pfwheader;
>  	u8 *pfwdata;
>  	u32 fwsize;
> -	int err;
>  	enum version_8192e version = rtlhal->version;
> 
>  	if (!rtlhal->pfirmware)
> @@ -146,7 +145,7 @@ int rtl92ee_download_fw(struct ieee80211_hw *hw, bool buse_wake_on_wlan_fw)
>  	_rtl92ee_write_fw(hw, version, pfwdata, fwsize);
>  	_rtl92ee_enable_fw_download(hw, false);
> 
> -	err = _rtl92ee_fw_free_to_go(hw);
> +	(void)_rtl92ee_fw_free_to_go(hw);
> 
>  	return 0;

After checking the flow, it's ok 'return _rtl92ee_fw_free_to_go(hw);'.

>  }
> --
> 2.7.4
> 
> 
> ------Please consider the environment before printing this e-mail.