Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752045AbdGAMSg (ORCPT ); Sat, 1 Jul 2017 08:18:36 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:35518 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751981AbdGAMSf (ORCPT ); Sat, 1 Jul 2017 08:18:35 -0400 From: Arvind Yadav To: pawel@osciak.com, m.szyprowski@samsung.com, kyungmin.park@samsung.com, mchehab@kernel.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] media: vb2 dma-sg: Constify dma_buf_ops structures. Date: Sat, 1 Jul 2017 17:48:24 +0530 Message-Id: <568fa73b15a4fead5ee803b9c38b47c374c91314.1498909383.git.arvind.yadav.cs@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1272 Lines: 32 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 --- drivers/media/v4l2-core/videobuf2-dma-sg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c index 8e8798a..f8b4643 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, -- 2.7.4