media: v4l2-core: constify the class struct

All functions that take the class address as argument expect a const
pointer so we can make the video class constant.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index dbd6fba93179f4a6d12716e948f418274bc5dc07..5bcaeeba4d09f35b70bec06d2297105e634902a5 100644 (file)
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -229,7 +229,7 @@ static void v4l2_device_release(struct device *cd)
                v4l2_device_put(v4l2_dev);
 }
 
-static struct class video_class = {
+static const struct class video_class = {
        .name = VIDEO_NAME,
        .dev_groups = video_device_groups,
 };