| Message ID | 9813724e0fe5a8a7067bb37475226ff2e0f042ed.1718519562.git.christophe.jaillet@wanadoo.fr |
|---|---|
| State | Accepted |
| Commit | d2ae63c2f6a34e0104c046dcf5e03675867e0ad3 |
| Headers | show |
| Series | media: cx231xx: Constify struct vb2_ops | expand |
diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c index 343a4433ed24..abb967c8bd35 100644 --- a/drivers/media/usb/cx231xx/cx231xx-417.c +++ b/drivers/media/usb/cx231xx/cx231xx-417.c @@ -1453,7 +1453,7 @@ static void stop_streaming(struct vb2_queue *vq) 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, diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index 8f347bbeeb32..435eb0b32cb1 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -795,7 +795,7 @@ static void stop_streaming(struct vb2_queue *vq) 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,
"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> --- drivers/media/usb/cx231xx/cx231xx-417.c | 2 +- drivers/media/usb/cx231xx/cx231xx-video.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)