linux-kernel - Re: [PATCH] drm/virtio: remove some redundant code

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Message-ID: <9ecfc762-9860-c880-b3f3-5652e4dc58f5@nfschina.com>
Date:   Wed, 12 Jul 2023 09:26:13 +0800
From:   Su Hui <suhui@...china.com>
To:     Markus Elfring <Markus.Elfring@....de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        dri-devel@...ts.freedesktop.org, Gerd Hoffmann <kraxel@...hat.com>,
        Dave Airlie <airlied@...hat.com>,
        virtualization@...ts.linux-foundation.org,
        Gurchetan Singh <gurchetansingh@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        kernel-janitors@...r.kernel.org, Chia-I Wu <olvaffe@...il.com>
Subject: Re: [PATCH] drm/virtio: remove some redundant code


On 2023/7/11 17:33, Markus Elfring wrote:
>> virtio_gpu_get_vbuf always be successful,
>> so remove the error judgment.
> How do you think about to improve this change description any more?

Hi,

virtio_gpu_get_vbuf use "__GFP_NOFAIL" flag to allocate memory, this 
make sure
it won't fail, and virtio_gpu_get_vbuf never return error code, so 
remove the error judgment.

How about this one? Thanks for your advice.

Su Hui

> Regards,
> Markus