From 59310b7a06c1f9c7d8fd2d981dbc85226214dc32 Mon Sep 17 00:00:00 2001 From: Arvind Yadav Date: Sat, 1 Jul 2017 07:37:26 -0400 Subject: [PATCH] media: vb2 vmalloc: Constify dma_buf_ops structures dma_buf_ops are not supposed to change at runtime. All functions working with dma_buf_ops provided by work with const dma_buf_ops. So mark the non-const structs as const. File size before: text data bss dec hex filename 3171 192 0 3363 d23 drivers/media/v4l2-core/videobuf2-vmalloc.o File size After adding 'const': text data bss dec hex filename 3291 80 0 3371 d2b drivers/media/v4l2-core/videobuf2-vmalloc.o Signed-off-by: Arvind Yadav Acked-by: Marek Szyprowski Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/v4l2-core/videobuf2-vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c index b337d780844c..6bc130fe84f6 100644 --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c @@ -338,7 +338,7 @@ static int vb2_vmalloc_dmabuf_ops_mmap(struct dma_buf *dbuf, return vb2_vmalloc_mmap(dbuf->priv, vma); } -static struct dma_buf_ops vb2_vmalloc_dmabuf_ops = { +static const struct dma_buf_ops vb2_vmalloc_dmabuf_ops = { .attach = vb2_vmalloc_dmabuf_ops_attach, .detach = vb2_vmalloc_dmabuf_ops_detach, .map_dma_buf = vb2_vmalloc_dmabuf_ops_map, -- 2.11.0