[PATCH] drm/aspeed: gfc_crtc: Make structure aspeed_gfx_funcs constant

Daniel Vetter daniel at ffwll.ch
Wed Aug 14 17:27:27 UTC 2019


On Tue, Aug 13, 2019 at 12:03:55PM +0530, Nishka Dasgupta wrote:
> The static structure aspeed_gfx_funcs, of type
> drm_simple_display_pipe_funcs, is used only as an argument to
> drm_simple_display_pipe_init(), which does not modify it. Hence make it
> constant to protect it from unintended modification.
> Issue found with Coccinelle.
> 
> Signed-off-by: Nishka Dasgupta <nishkadg.linux at gmail.com>

Applied, thanks for your patch.
> ---
>  drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
> index 15db9e426ec4..2184b8be6fd4 100644
> --- a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
> +++ b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
> @@ -215,7 +215,7 @@ static void aspeed_gfx_disable_vblank(struct drm_simple_display_pipe *pipe)
>  	writel(reg | CRT_CTRL_VERTICAL_INTR_STS, priv->base + CRT_CTRL1);
>  }
>  
> -static struct drm_simple_display_pipe_funcs aspeed_gfx_funcs = {
> +static const struct drm_simple_display_pipe_funcs aspeed_gfx_funcs = {
>  	.enable		= aspeed_gfx_pipe_enable,
>  	.disable	= aspeed_gfx_pipe_disable,
>  	.update		= aspeed_gfx_pipe_update,
> -- 
> 2.19.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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