From: Julia Lawall <Julia.Lawall@lip6.fr>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: bhumirks@gmail.com, kernel-janitors@vger.kernel.org,
Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
linux-media@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 06/12] [media] exynos-gsc: constify v4l2_m2m_ops structures
Date: Sun, 6 Aug 2017 10:25:15 +0200 [thread overview]
Message-ID: <1502007921-22968-7-git-send-email-Julia.Lawall@lip6.fr> (raw)
In-Reply-To: <1502007921-22968-1-git-send-email-Julia.Lawall@lip6.fr>
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/exynos-gsc/gsc-m2m.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c
index 33611a4..2a2994e 100644
--- a/drivers/media/platform/exynos-gsc/gsc-m2m.c
+++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c
@@ -747,7 +747,7 @@ static int gsc_m2m_mmap(struct file *file, struct vm_area_struct *vma)
.mmap = gsc_m2m_mmap,
};
-static struct v4l2_m2m_ops gsc_m2m_ops = {
+static const struct v4l2_m2m_ops gsc_m2m_ops = {
.device_run = gsc_m2m_device_run,
.job_abort = gsc_m2m_job_abort,
};
next prev parent reply other threads:[~2017-08-06 8:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-06 8:25 [PATCH 00/12] constify v4l2_m2m_ops structures Julia Lawall
2017-08-06 8:25 ` [PATCH 01/12] [media] st-delta: " Julia Lawall
2017-08-06 8:25 ` [PATCH 02/12] [media] media: ti-vpe: vpe: " Julia Lawall
2017-08-06 8:25 ` [PATCH 03/12] [media] s5p-g2d: " Julia Lawall
[not found] ` <CGME20170807102341epcas2p2da8478bd73ca0678071912323830e456@epcas2p2.samsung.com>
2017-08-07 10:23 ` Sylwester Nawrocki
2017-08-06 8:25 ` [PATCH 04/12] [media] V4L2: platform: rcar_jpu: " Julia Lawall
2017-08-10 13:38 ` Mikhail Ulyanov
2017-08-06 8:25 ` [PATCH 05/12] [media] vcodec: mediatek: " Julia Lawall
2017-08-07 2:42 ` Rick Chang
2017-08-06 8:25 ` Julia Lawall [this message]
[not found] ` <CGME20170807101839epcas2p41e7c3092b876487e132a8a640e9ed262@epcas2p4.samsung.com>
2017-08-07 10:18 ` [PATCH 06/12] [media] exynos-gsc: " Sylwester Nawrocki
2017-08-06 8:25 ` [PATCH 07/12] [media] bdisp: " Julia Lawall
2017-08-06 8:25 ` [PATCH 08/12] [media] m2m-deinterlace: " Julia Lawall
2017-08-06 8:25 ` [PATCH 09/12] [media] media: mx2-emmaprp: " Julia Lawall
2017-08-06 8:25 ` [PATCH 10/12] [media] vim2m: " Julia Lawall
2017-08-06 8:25 ` [PATCH 11/12] [media] exynos4-is: " Julia Lawall
[not found] ` <CGME20170807101941epcas2p446c04b9a0813cb56f33202e6b4fdc49b@epcas2p4.samsung.com>
2017-08-07 10:19 ` Sylwester Nawrocki
2017-08-06 8:25 ` [PATCH 12/12] [media] mtk-mdp: " Julia Lawall
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