[media] v4l2-ioctl: clear the reserved field of v4l2_create_buffers

This field was never cleared by the kernel making future extensions
hard to implement. Clear it now.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 6912959..bbeb9ff 100644 (file)
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1805,6 +1805,8 @@ static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops,
        if (ret)
                return ret;
 
+       CLEAR_AFTER_FIELD(create, format);
+
        v4l_sanitize_format(&create->format);
 
        ret = ops->vidioc_create_bufs(file, fh, create);