Messages in this thread Patch in this message | | | From | Julia Lawall <> | Subject | [PATCH 5/5] [media] zr364xx: constify videobuf_queue_ops structures | Date | Fri, 4 Aug 2017 14:09:48 +0200 |
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These videobuf_queue_ops structures are only passed as the second argument to videobuf_queue_vmalloc_init, which is declared as const. Thus the videobuf_queue_ops structures themselves can be const.
Done with the help of Coccinelle.
// <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct videobuf_queue_ops i@p = { ... };
@ok1@ identifier r.i; expression e1; position p; @@ videobuf_queue_vmalloc_init(e1,&i@p,...)
@bad@ position p != {r.p,ok1.p}; identifier r.i; struct videobuf_queue_ops e; @@ e@i@p
@depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct videobuf_queue_ops i = { ... }; // </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
--- drivers/media/usb/zr364xx/zr364xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c index efdcd5b..24d5860 100644 --- a/drivers/media/usb/zr364xx/zr364xx.c +++ b/drivers/media/usb/zr364xx/zr364xx.c @@ -439,7 +439,7 @@ static void buffer_release(struct videobuf_queue *vq, free_buffer(vq, buf); } -static struct videobuf_queue_ops zr364xx_video_qops = { +static const struct videobuf_queue_ops zr364xx_video_qops = { .buf_setup = buffer_setup, .buf_prepare = buffer_prepare, .buf_queue = buffer_queue,
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