linux-kernel - Re: [PATCH][next] PCI: apple: Remove redundant initialization of pointer port

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Date:   Wed, 13 Oct 2021 14:41:14 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Colin King <colin.king@...onical.com>
Cc:     Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Marc Zyngier <maz@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] PCI: apple: Remove redundant initialization of
 pointer port_pdev

On Tue, Oct 12, 2021 at 02:32:35PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The pointer port_pdev is being initialized with a value that is never
> read, it is being updated later on. The assignment is redundant and
> can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/pci/controller/pcie-apple.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Squashed into the commit it is fixing.

Thanks !
Lorenzo

> diff --git a/drivers/pci/controller/pcie-apple.c b/drivers/pci/controller/pcie-apple.c
> index b4db7a065553..19fd2d38aaab 100644
> --- a/drivers/pci/controller/pcie-apple.c
> +++ b/drivers/pci/controller/pcie-apple.c
> @@ -634,7 +634,7 @@ static struct apple_pcie_port *apple_pcie_get_port(struct pci_dev *pdev)
>  {
>  	struct pci_config_window *cfg = pdev->sysdata;
>  	struct apple_pcie *pcie = cfg->priv;
> -	struct pci_dev *port_pdev = pdev;
> +	struct pci_dev *port_pdev;
>  	struct apple_pcie_port *port;
>  
>  	/* Find the root port this device is on */
> -- 
> 2.32.0
>