linux-kernel - 答复: [PATCH] drm/amd/amdgpu: cleanup the code style a bit

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Message-ID: <PSAPR06MB4021E37D4219DEBEF58E9CA0DF989@PSAPR06MB4021.apcprd06.prod.outlook.com>
Date:   Mon, 15 Nov 2021 12:01:48 +0000
From:   赵军奎 <bernard@...o.com>
To:     Christian König 
        <ckoenig.leichtzumerken@...il.com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jingwen Chen <Jingwen.Chen2@....com>,
        Candice Li <candice.li@....com>,
        John Clements <john.clements@....com>,
        Monk liu <monk.liu@....com>,
        Peng Ju Zhou <PengJu.Zhou@....com>,
        Jiawei Gu <Jiawei.Gu@....com>,
        Bokun Zhang <bokun.zhang@....com>,
        Zhigang Luo <zhigang.luo@....com>,
        Lee Jones <lee.jones@...aro.org>,
        "amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 答复: [PATCH] drm/amd/amdgpu: cleanup the code style a bit


-----邮件原件-----
发件人: bernard@...o.com <bernard@...o.com> 代表 Christian K?nig
发送时间: 2021年11月15日 19:49
收件人: 赵军奎 <bernard@...o.com>; Alex Deucher <alexander.deucher@....com>; Christian König <christian.koenig@....com>; Pan, Xinhui <Xinhui.Pan@....com>; David Airlie <airlied@...ux.ie>; Daniel Vetter <daniel@...ll.ch>; Jingwen Chen <Jingwen.Chen2@....com>; Candice Li <candice.li@....com>; John Clements <john.clements@....com>; Monk liu <monk.liu@....com>; Peng Ju Zhou <PengJu.Zhou@....com>; Jiawei Gu <Jiawei.Gu@....com>; Bokun Zhang <bokun.zhang@....com>; Zhigang Luo <zhigang.luo@....com>; Lee Jones <lee.jones@...aro.org>; amd-gfx@...ts.freedesktop.org; dri-devel@...ts.freedesktop.org; linux-kernel@...r.kernel.org
主题: Re: [PATCH] drm/amd/amdgpu: cleanup the code style a bit

Am 15.11.21 um 08:07 schrieb Bernard Zhao:
> This change is to cleanup the code style a bit.

>To be honest I think the old style looked better. It took me a moment to validate this now.

>What you could to instead is to have goto style error handling which would make this a bit more cleaner I think.
Hi 
Looks like a good idea, thank you for your comments!
I will resubmit a version!
BR//Bernard

>Christian.

>
> Signed-off-by: Bernard Zhao <bernard@...o.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 10 ++++++----
>   1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> index 04cf9b207e62..90070b41136a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> @@ -286,12 +286,14 @@ static int amdgpu_virt_init_ras_err_handler_data(struct amdgpu_device *adev)
>   		return -ENOMEM;
>   
>   	bps = kmalloc_array(align_space, sizeof((*data)->bps), GFP_KERNEL);
> +	if (!bps) {
> +		kfree(*data);
> +		return -ENOMEM;
> +	}
>   	bps_bo = kmalloc_array(align_space, sizeof((*data)->bps_bo), 
> GFP_KERNEL);
> -
> -	if (!bps || !bps_bo) {
> -		kfree(bps);
> -		kfree(bps_bo);
> +	if (!bps_bo) {
>   		kfree(*data);
> +		kfree(bps);
>   		return -ENOMEM;
>   	}
>