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@xxxxxxx>
---
drivers/media/platform/exynos4-is/fimc-m2m.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/exynos4-is/fimc-m2m.c b/drivers/media/platform/exynos4-is/fimc-m2m.c
index d8724fe..9027d0b 100644
--- a/drivers/media/platform/exynos4-is/fimc-m2m.c
+++ b/drivers/media/platform/exynos4-is/fimc-m2m.c
@@ -704,7 +704,7 @@ static int fimc_m2m_release(struct file *file)
.mmap = v4l2_m2m_fop_mmap,
};
-static struct v4l2_m2m_ops m2m_ops = {
+static const struct v4l2_m2m_ops m2m_ops = {
.device_run = fimc_device_run,
.job_abort = fimc_job_abort,
};
--
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