media: imx: Constify static struct v4l2_m2m_ops

The only usage of m2m_ops is to pass its address to v4l2_m2m_init(),
which  takes a pointer to const v4l2_m2m_ops as argument. Make it const
to allow the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/staging/media/imx/imx-media-csc-scaler.c b/drivers/staging/media/imx/imx-media-csc-scaler.c
index eb6da9b9d8ba8f3791e80cedf0287f539d1b82eb..1fd39a2fca98ae70ca74ea3768aeb5d7c95a51da 100644 (file)
--- a/drivers/staging/media/imx/imx-media-csc-scaler.c
+++ b/drivers/staging/media/imx/imx-media-csc-scaler.c
@@ -820,7 +820,7 @@ static const struct v4l2_file_operations ipu_csc_scaler_fops = {
        .mmap           = v4l2_m2m_fop_mmap,
 };
 
-static struct v4l2_m2m_ops m2m_ops = {
+static const struct v4l2_m2m_ops m2m_ops = {
        .device_run     = device_run,
        .job_abort      = job_abort,
 };