linux-kernel - Re: [PATCH] drm: vmwgfx: constify vmw_fence

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Message-ID: <5901b4a5-5eef-393f-7d18-704c037708c6@vmware.com>
Date:   Wed, 30 Aug 2017 08:21:46 +0200
From:   Thomas Hellstrom <thellstrom@...are.com>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>, airlied@...ux.ie,
        syeh@...are.com, linux-graphics-maintainer@...are.com
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm: vmwgfx: constify vmw_fence_ops

On 08/30/2017 07:47 AM, Arvind Yadav wrote:
> vmw_fence_ops are not supposed to change at runtime. Functions
> "dma_fence_init" working with const vmw_fence_ops provided
> by <linux/dma-fence.h>. So mark the non-const structs as const.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
> ---
>   drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
> index b8bc5bc..abc5f03 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
> @@ -225,7 +225,7 @@ static long vmw_fence_wait(struct dma_fence *f, bool intr, signed long timeout)
>   	return ret;
>   }
>   
> -static struct dma_fence_ops vmw_fence_ops = {
> +static const struct dma_fence_ops vmw_fence_ops = {
>   	.get_driver_name = vmw_fence_get_driver_name,
>   	.get_timeline_name = vmw_fence_get_timeline_name,
>   	.enable_signaling = vmw_fence_enable_signaling,

Reviewed-by: Thomas Hellstrom <thellstrom@...are.com>