linux-kernel - Re: [PATCH v11 09/16] PCI/ERR: Avoid negated conditional for clarity

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Message-ID: <c430ba69-3e2c-a6fc-fc41-a27567f88b06@linux.intel.com>
Date:   Tue, 17 Nov 2020 14:00:57 -0800
From:   "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Sean V Kelley <sean.v.kelley@...el.com>, bhelgaas@...gle.com,
        Jonathan.Cameron@...wei.com, xerces.zhao@...il.com,
        rafael.j.wysocki@...el.com, ashok.raj@...el.com,
        tony.luck@...el.com, sathyanarayanan.kuppuswamy@...el.com,
        qiuxu.zhuo@...el.com
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 09/16] PCI/ERR: Avoid negated conditional for clarity



On 11/17/20 11:19 AM, Sean V Kelley wrote:
> Reverse the sense of the Root Port/Downstream Port conditional for clarity.
> No functional change intended.
> 
> [bhelgaas: split to separate patch]
> Link: https://lore.kernel.org/r/20201002184735.1229220-6-seanvk.dev@oregontracks.org
> Signed-off-by: Sean V Kelley <sean.v.kelley@...el.com>
> Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
> ---
>   drivers/pci/pcie/err.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
> index 46a5b84f8842..931e75f2549d 100644
> --- a/drivers/pci/pcie/err.c
> +++ b/drivers/pci/pcie/err.c
> @@ -159,11 +159,11 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
>   	 * Error recovery runs on all subordinates of the bridge.  If the
>   	 * bridge detected the error, it is cleared at the end.
>   	 */
> -	if (!(type == PCI_EXP_TYPE_ROOT_PORT ||
> -	      type == PCI_EXP_TYPE_DOWNSTREAM))
> -		bridge = pci_upstream_bridge(dev);
> -	else
> +	if (type == PCI_EXP_TYPE_ROOT_PORT ||
> +	    type == PCI_EXP_TYPE_DOWNSTREAM)
>   		bridge = dev;
> +	else
> +		bridge = pci_upstream_bridge(dev);
>   
>   	bus = bridge->subordinate;
>   	pci_dbg(bridge, "broadcast error_detected message\n");
> 

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer