| Message ID | 20170706204600.GA18061@embeddedgus (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c index 13afe48..3038d62 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c @@ -621,7 +621,7 @@ static void mtk_mdp_m2m_buf_queue(struct vb2_buffer *vb) v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb)); } -static struct vb2_ops mtk_mdp_m2m_qops = { +static const struct vb2_ops mtk_mdp_m2m_qops = { .queue_setup = mtk_mdp_m2m_queue_setup, .buf_prepare = mtk_mdp_m2m_buf_prepare, .buf_queue = mtk_mdp_m2m_buf_queue,
Check for vb2_ops structures that are only stored in the ops field of a vb2_queue structure. That field is declared const, so vb2_ops structures that have this property can be declared as const also. This issue was detected using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct vb2_ops i@p = { ... }; @ok@ identifier r.i; struct vb2_queue e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct vb2_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct vb2_ops i = { ... }; Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> --- drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)