From: Arvind Yadav Date: Sat, 1 Jul 2017 12:18:24 +0000 (-0400) Subject: media: vb2 dma-sg: Constify dma_buf_ops structures X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=efaf515f0d5124193393e37adbef423866a99273;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git media: vb2 dma-sg: 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 5238 112 4 5354 14ea drivers/media/v4l2-core/videobuf2-dma-sg.o File size After adding 'const': text data bss dec hex filename 5358 0 4 5362 14f2 drivers/media/v4l2-core/videobuf2-dma-sg.o Signed-off-by: Arvind Yadav Acked-by: Marek Szyprowski Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c index 5defa1f22ca2..54f33938d45b 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c @@ -500,7 +500,7 @@ static int vb2_dma_sg_dmabuf_ops_mmap(struct dma_buf *dbuf, return vb2_dma_sg_mmap(dbuf->priv, vma); } -static struct dma_buf_ops vb2_dma_sg_dmabuf_ops = { +static const struct dma_buf_ops vb2_dma_sg_dmabuf_ops = { .attach = vb2_dma_sg_dmabuf_ops_attach, .detach = vb2_dma_sg_dmabuf_ops_detach, .map_dma_buf = vb2_dma_sg_dmabuf_ops_map,