linux-kernel - Re: [PATCH] PCI: Remove redundant initialization of variable rc

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Date:   Wed, 15 Sep 2021 03:23:20 +0200
From:   Krzysztof Wilczyński <kw@...ux.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: Remove redundant initialization of variable rc

Hi Colin,

> The variable rc 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/pci.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index ce2ab62b64cf..cd8cb94cc450 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -5288,7 +5288,7 @@ const struct attribute_group pci_dev_reset_method_attr_group = {
>   */
>  int __pci_reset_function_locked(struct pci_dev *dev)
>  {
> -	int i, m, rc = -ENOTTY;
> +	int i, m, rc;

Thank you!

Reviewed-by: Krzysztof Wilczyński <kw@...ux.com>

	Krzysztof