| Message ID | fc20e4271a4c98c6106d01eb1ada3f4da217e56b.1718519365.git.christophe.jaillet@wanadoo.fr (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | media: mediatek: vcodec: Constify struct vb2_ops | expand |
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.c index 11ca2c2fbaad..e62c1c18758b 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.c @@ -595,7 +595,7 @@ static void mtk_init_vdec_params(struct mtk_vcodec_dec_ctx *ctx) } } -static struct vb2_ops mtk_vdec_frame_vb2_ops = { +static const struct vb2_ops mtk_vdec_frame_vb2_ops = { .queue_setup = vb2ops_vdec_queue_setup, .buf_prepare = vb2ops_vdec_buf_prepare, .wait_prepare = vb2_ops_wait_prepare, diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c index b903e39fee89..3307dc15fc1d 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c @@ -854,7 +854,7 @@ static int vb2ops_vdec_out_buf_validate(struct vb2_buffer *vb) return 0; } -static struct vb2_ops mtk_vdec_request_vb2_ops = { +static const struct vb2_ops mtk_vdec_request_vb2_ops = { .queue_setup = vb2ops_vdec_queue_setup, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish,
"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 18059 3096 16 21171 52b3 drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.o After: ===== text data bss dec hex filename 18171 2968 16 21155 52a3 drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- .../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.c | 2 +- .../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)