linux-kernel - Re: [PATCH -next] staging: rtl8192e: Remove set but not used variable 'VenderID'

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Date:   Sat, 6 Apr 2019 13:52:37 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     YueHaibing <yuehaibing@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH -next] staging: rtl8192e: Remove set but not used variable
 'VenderID'


On 4/6/2019 8:41 AM, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/staging/rtl8192e/rtl8192e/rtl_pci.c: In function 'rtl92e_check_adapter':
> drivers/staging/rtl8192e/rtl8192e/rtl_pci.c:36:6: warning:
>   variable 'VenderID' set but not used [-Wunused-but-set-variable]
>    u16 VenderID;
>        ^
>
> It's never used and can be removed.
>
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>

Cheers,
-Mukesh

> ---
>   drivers/staging/rtl8192e/rtl8192e/rtl_pci.c | 2 --
>   1 file changed, 2 deletions(-)
>
> diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_pci.c b/drivers/staging/rtl8192e/rtl8192e/rtl_pci.c
> index bab41ab7c0a5..1d992d5c4e17 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/rtl_pci.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_pci.c
> @@ -33,12 +33,10 @@ static void _rtl92e_parse_pci_configuration(struct pci_dev *pdev,
>   bool rtl92e_check_adapter(struct pci_dev *pdev, struct net_device *dev)
>   {
>   	struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
> -	u16 VenderID;
>   	u16 DeviceID;
>   	u8  RevisionID;
>   	u16 IrqLine;
>   
> -	VenderID = pdev->vendor;
>   	DeviceID = pdev->device;
>   	RevisionID = pdev->revision;
>   	pci_read_config_word(pdev, 0x3C, &IrqLine);
>
>
>