dri-devel.lists.freedesktop.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] drm/virtio: make drm_fb_helper_funcs const
@ 2017-08-08 15:14 Bhumika Goyal
  2017-08-09 16:40 ` Daniel Vetter
  0 siblings, 1 reply; 2+ messages in thread
From: Bhumika Goyal @ 2017-08-08 15:14 UTC (permalink / raw)
  To: julia.lawall, airlied, kraxel, dri-devel, virtualization, linux-kernel
  Cc: Bhumika Goyal

Make these structures const as they are only passed to the function
drm_fb_helper_prepare and the corresponding argument is of type const.
Done using Coccinelle

@match disable optional_qualifier@
identifier s;
@@
static struct drm_fb_helper_funcs s = {...};

@ref@
position p;
identifier match.s;
@@
s@p

@good1@
identifier match.s;
expression e1,e2;
position ref.p;
@@
drm_fb_helper_prepare(e1,e2,&s@p,...)

@bad depends on  !good1@
position ref.p;
identifier match.s;
@@
s@p

@depends on forall !bad disable optional_qualifier@
identifier match.s;
@@
static
+ const
struct drm_fb_helper_funcs s;

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
---
 drivers/gpu/drm/virtio/virtgpu_fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_fb.c b/drivers/gpu/drm/virtio/virtgpu_fb.c
index 046e28b..15d18fd 100644
--- a/drivers/gpu/drm/virtio/virtgpu_fb.c
+++ b/drivers/gpu/drm/virtio/virtgpu_fb.c
@@ -308,7 +308,7 @@ static int virtio_gpu_fbdev_destroy(struct drm_device *dev,
 
 	return 0;
 }
-static struct drm_fb_helper_funcs virtio_gpu_fb_helper_funcs = {
+static const struct drm_fb_helper_funcs virtio_gpu_fb_helper_funcs = {
 	.fb_probe = virtio_gpufb_create,
 };
 
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] drm/virtio: make drm_fb_helper_funcs const
  2017-08-08 15:14 [PATCH] drm/virtio: make drm_fb_helper_funcs const Bhumika Goyal
@ 2017-08-09 16:40 ` Daniel Vetter
  0 siblings, 0 replies; 2+ messages in thread
From: Daniel Vetter @ 2017-08-09 16:40 UTC (permalink / raw)
  To: Bhumika Goyal
  Cc: airlied, linux-kernel, dri-devel, virtualization, julia.lawall

On Tue, Aug 08, 2017 at 08:44:05PM +0530, Bhumika Goyal wrote:
> Make these structures const as they are only passed to the function
> drm_fb_helper_prepare and the corresponding argument is of type const.
> Done using Coccinelle
> 
> @match disable optional_qualifier@
> identifier s;
> @@
> static struct drm_fb_helper_funcs s = {...};
> 
> @ref@
> position p;
> identifier match.s;
> @@
> s@p
> 
> @good1@
> identifier match.s;
> expression e1,e2;
> position ref.p;
> @@
> drm_fb_helper_prepare(e1,e2,&s@p,...)
> 
> @bad depends on  !good1@
> position ref.p;
> identifier match.s;
> @@
> s@p
> 
> @depends on forall !bad disable optional_qualifier@
> identifier match.s;
> @@
> static
> + const
> struct drm_fb_helper_funcs s;
> 
> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>

This and the previous one merged too.
-Daniel

> ---
>  drivers/gpu/drm/virtio/virtgpu_fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_fb.c b/drivers/gpu/drm/virtio/virtgpu_fb.c
> index 046e28b..15d18fd 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_fb.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_fb.c
> @@ -308,7 +308,7 @@ static int virtio_gpu_fbdev_destroy(struct drm_device *dev,
>  
>  	return 0;
>  }
> -static struct drm_fb_helper_funcs virtio_gpu_fb_helper_funcs = {
> +static const struct drm_fb_helper_funcs virtio_gpu_fb_helper_funcs = {
>  	.fb_probe = virtio_gpufb_create,
>  };
>  
> -- 
> 1.9.1
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2017-08-09 16:40 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-08-08 15:14 [PATCH] drm/virtio: make drm_fb_helper_funcs const Bhumika Goyal
2017-08-09 16:40 ` Daniel Vetter

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).