lkml.org 
[lkml]   [2017]   [Aug]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 04/12] [media] V4L2: platform: rcar_jpu: constify v4l2_m2m_ops structures
On Sun, Aug 6, 2017 at 11:25 AM, Julia Lawall <Julia.Lawall@lip6.fr> wrote:
> The v4l2_m2m_ops structures are only passed as the only
> argument to v4l2_m2m_init, which is declared as const.
> Thus the v4l2_m2m_ops structures themselves can be const.
>
> Done with the help of Coccinelle.
>
> // <smpl>
> @r disable optional_qualifier@
> identifier i;
> position p;
> @@
> static struct v4l2_m2m_ops i@p = { ... };
>
> @ok1@
> identifier r.i;
> position p;
> @@
> v4l2_m2m_init(&i@p)
>
> @bad@
> position p != {r.p,ok1.p};
> identifier r.i;
> struct v4l2_m2m_ops e;
> @@
> e@i@p
>
> @depends on !bad disable optional_qualifier@
> identifier r.i;
> @@
> static
> +const
> struct v4l2_m2m_ops i = { ... };
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

Acked-by: Ulyanov Mikhail <mikhail.ulyanov@cogentembedded.com>

\
 
 \ /
  Last update: 2017-08-10 15:39    [W:0.095 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site