"struct vb2_ops" are not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
36607 1156 0 37763 9383 drivers/media/usb/cx231xx/cx231xx-417.o
After:
=====
text data bss dec hex filename
36735 1016 0 37751 9377 drivers/media/usb/cx231xx/cx231xx-417.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
return_all_buffers(dev, VB2_BUF_STATE_ERROR);
}
-static struct vb2_ops cx231xx_video_qops = {
+static const struct vb2_ops cx231xx_video_qops = {
.queue_setup = queue_setup,
.buf_queue = buffer_queue,
.start_streaming = start_streaming,
return_all_buffers(dev, VB2_BUF_STATE_ERROR);
}
-static struct vb2_ops cx231xx_video_qops = {
+static const struct vb2_ops cx231xx_video_qops = {
.queue_setup = queue_setup,
.buf_queue = buffer_queue,
.start_streaming = start_streaming,