linux-kernel - [PATCH 1/2] media: imx-jpeg: Constify static struct v4l2_m2m

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Message-Id: <20210611234201.64832-2-rikard.falkeborn@gmail.com>
Date:   Sat, 12 Jun 2021 01:42:00 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Mirela Rabulea <mirela.rabulea@....com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Cc:     NXP Linux Team <linux-imx@....com>,
        Fabio Estevam <festevam@...il.com>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 1/2] media: imx-jpeg: Constify static struct v4l2_m2m_ops

The only usage of mxc_jpeg_m2m_ops is to pass its address to
v4l2_m2m_init() which takes a pointer to const struct v4l2_m2m_ops. Make
it const to allow the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/media/platform/imx-jpeg/mxc-jpeg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
index 03b9264af068..3a49007e1264 100644
--- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
@@ -1890,7 +1890,7 @@ static const struct v4l2_file_operations mxc_jpeg_fops = {
 	.mmap		= v4l2_m2m_fop_mmap,
 };
 
-static struct v4l2_m2m_ops mxc_jpeg_m2m_ops = {
+static const struct v4l2_m2m_ops mxc_jpeg_m2m_ops = {
 	.device_run	= mxc_jpeg_device_run,
 };
 
-- 
2.32.0