linux-kernel - Re: [PATCH] virtio: Remove unnecessary variable assignments

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Message-ID: <20220620093750.ug6g7vzrninakd3x@sgarzare-redhat>
Date:   Mon, 20 Jun 2022 11:37:50 +0200
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Bo Liu (刘波)-浪潮信息 
        <liubo03@...pur.com>
Cc:     "mst@...hat.com" <mst@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] virtio: Remove unnecessary variable assignments

Hi Bo,

On Mon, Jun 20, 2022 at 09:32:28AM +0000, Bo Liu (刘波)-浪潮信息 wrote:
>Hi
>
>>On Fri, Jun 17, 2022 at 01:59:52AM -0400, Bo Liu wrote:
>>>In function vp_modern_probe(), "mdev->pci_dev" is assigned to 
>>>variable
>>>"pci_dev", variable "pci_dev" and "mdev->pci_dev" have the same 
>>>value.
>>>There is no need to assign variable "pci_dev" to "mdev->pci_dev". So
>>>remove it.
>>>
>>
>>I suggest rephrasing the description a bit.
>>Maybe into something like this:
>>
>>     In function vp_modern_probe(), "pci_dev" is initialized with the
>>     value of "mdev->pci_dev", so assigning "pci_dev" to 
>>     "mdev->pci_dev"
>>     is unnecessary since they store the same value.
>>
>>Anyway, the patch LGTM:
>>
>>Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>
>>
>The new patch is:
>
>In function vp_modern_probe(), "pci_dev" is initialized with the
>value of "mdev->pci_dev", so assigning "pci_dev" to "mdev->pci_dev"
>is unnecessary since they store the same value.
>
>Signed-off-by: Bo Liu <liubo03@...pur.com>
>---
> drivers/virtio/virtio_pci_modern_dev.c | 2 --
> 1 file changed, 2 deletions(-)

It looks good, but I think it is better to send a proper v2.

You can also add my R-b just before your S-o-b

Thanks,
Stefano