Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1704794
| From | Julia Lawall <Julia.Lawall@lip6.fr> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 10/12] [media] vim2m: constify v4l2_m2m_ops structures |
| Date | 2017-08-06 11:00 +0200 |
| Message-ID | <ubpzJ-8qn-39@gated-at.bofh.it> (permalink) |
| References | <ubpzI-8qn-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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>
---
drivers/media/platform/vim2m.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index 970b9b6..afbaa35 100644
--- a/drivers/media/platform/vim2m.c
+++ b/drivers/media/platform/vim2m.c
@@ -983,7 +983,7 @@ static int vim2m_release(struct file *file)
.release = video_device_release_empty,
};
-static struct v4l2_m2m_ops m2m_ops = {
+static const struct v4l2_m2m_ops m2m_ops = {
.device_run = device_run,
.job_ready = job_ready,
.job_abort = job_abort,
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH 10/12] [media] vim2m: constify v4l2_m2m_ops structures Julia Lawall <Julia.Lawall@lip6.fr> - 2017-08-06 11:00 +0200
csiph-web